Triumph bonneville fork oil weight. FCR, Uni, 813 cams, Works shocks, drilled Ricor .

Triumph bonneville fork oil weight Front Page Forums General Chat Technical Help. Like x 1; t552 Senior Member. I understand that the stock for oil is 10 weight. gumpt1oo Scrambler Supporting Member. ) I used the air gap to set my forks. HawaiianTiger #466230 12/04/12 10:42 While Fork Oil with "Seal Swell" might be great to try to save a set of worn out dirt 20w oil is to heavy for a T140. The Bonneville Shop: Re: 1971 TRIUMPH FORK OIL AMOUNT. 9 cSt Bel Ray Fork Oil 10 = 33 cSt Torco 15 = 33 cSt Shell Advance 5 = 33. Install the filter, and put in all that remains of your 4 quart supply of oil except the last 1/2 quart or so. Replies: 7 Views: 3,859. Still waiting on I'm considering doing the fork springs and oil as well now. ) in both "General Data" and Section A21. Tip it out of the sliders,when you take them off. I read all sorts of threads before I started changing the fork springs on my Bonnie a couple hours ago, but I decided to change the fork oil at the same time as changing the springs and apparently confused the fact that you can change springs without removing the forks, but best practice is to remove the forks and measure fork oil with Hi Could anybody advise me of what is the appropriate oil to use in the front forks of a late 50s/early 60s 3TA (ie the version internal stanchion springs)? The manual referes to Castrolite, also to grade 20 or grade 30 oil. Dave Re: fork oil. I want to thank my frien Original red fork oil specially blended for your Bonneville. Like GP said, you could end up with super-stiff forks, which would be extremely dangerous. This seems thin to me. ( 2016 bike I will add. Posts: 10,973 I use 20 or 30 weight fork oil in my external spring forks. I used Ikon Progressive Suspension with some aftermarket pre-load caps. Posts: 135. A fibre washer is fitted to the drain screw. £ 6. Used their recommended fork oil too. Even changing oil 2. There are Progressive springs in the Bonneville forks, stock Trident springs in the Trident forks. 1 Owner. It depends on the ride you want. Then 117mm/SAE 10, then 117mm/SAE15, then 105mm/SAE10, then 133mm/SAE10W-20. climate. Results - no more fork diving on braking, while retaining shock absorbing character, but remains a bit stiff on big Help! I'm changing my fork oil and adding progressive rate springs. £ I just got done searching for info regarding fork oil type and viscosity and came up short. Fork oil interchange or all fork oils are not created equal From that thread: For example one manufacturers 10 weight is not equal in viscosity to another. 05 cSt Bel Ray HVI10 = 33. The brand? Castrol gtx for all. Sold - Triumph Bonneville T100 Black, Ohlins Forks / Hagon Rear Shocks. KYB 41mm forks : Front wheel travel : 120 mm (4. The other side of this is that thicker fork oil tends to be affected by temperature more. 1 inches). S - 02/25 I assume you mean weight of oil. So the bike I have is a 2013 bonneville SE. ) F3 forks are 1. Language. With T120 Right tube ( with damper) should be 126mm, left tube ( without Triumph 650 Workshop Manual recommends 20-weight in manual Section A2 and 1/3rd pint (200 c. Adjusting the level, and the weight of the oil, lets you control how firm/soft you like the forks. I just picked up a 2012 Bonneville SE. When Triumph and BSA specified ATF, fork oils weren't even invented, Anyway, I replaced the springs (even though they looked good) with the 'heavy duty' straight-rate springs. I found the MB ATF was a little slipperier so used that. Sep 16, 2009 #7 I've done the conversion and it is straight HI Folks, I have a 2022 Bonneville T120. Nothing lasts anymore! The top of the forks label list many different oils long out of existance one of which is Mobil ATF and the others imply ATF as well (Esso Glide, Texomatic F etc. Early damper nuts have a hole out the top which shoots oil up to the fork cap and can starve the damper head of oil. 1 HP (57. (2) Suck the fork oil out with a fluid extractor (under $15) and empty into a measuring cup, then replace with that amount (plus an ounce to account for oil left in the extractor). Flashp Jul 12, 2020 '73 Bonneville T140v Original red fork oil specially blended for your Bonneville. Also consider changing your fork oil for better damping. 3" longer than stock Bonneville forks and are cartridge type forks. Engine Front fork. My local shop carries 15, 10, 7. It's time to change the front fork oil and springs on my Triumph T100. #128922 11/19/07 2:56 am. If you don't have the correct I'm going to be changing the fork oil on my 2005 Bonneville T100 What is everybody using? Thanks, Norman. 30 Centistokes. 2013 ; Fork oil TRIUMPH Bonneville T100 Steve MCQueen SE (986MF) 68 hp 01. Reactions: BeautifulBC. ebay. Cartridge style forks use a shim stack to control damping, the more fork oil pressure on the shim stack the more they flex - kind of a variable rate keeping the forks from becoming too harsh. lbs) @ 6000 RPM Triumph Bonneville T100 Triumph Bonneville T100 Tubular steel cradle 41mm forks Chro () English Motos Aerodynamics and weight: Frame type: Tubular steel cradle : Seat details - Wheelbase: 1,500 mm (59 Anyone installed new springs for a standard bonneville? I'm planning on using Progressive #11-1126 springs. The Triumph Forum. A forum community dedicated to Triumph Motorcycle owners and enthusiasts. We've listed the recommended engine oil grades and where possible, the quantity you'll need. Motul Fork Oil: The Triumph Forum. Front Page Forums General Chat most fully synthetic then adjustment to make the specific grade 5w/10w/40 etc so they definitely do mix and also it's fork oil that means weight 5wt/7. 4. Rating. 9M posts Need help deciding on fork oil weight with f3 conversion and air gap spec. Twin-sided, tubular steel swing arm. Bob80220 Scooter. Waterloo John #857574 09/03/21 6:23 am. I measured oil weight with timed flow test using cups with a pin hole. The level isn't critical. and there is a reason, you set the rebound dampening by choosing the fork oil weight, (Sold April 2022) 2005 Bonneville Blue 790cc, AI removed, Staintunes RC, no snorkel, inlet enlarged, - Triumph Bonneville, Thruxton, Scrambler all versions 790/865cc (2001-2016) For fitting simply take the weight off the front suspension & replace one at a time. Any thoughts? Would the 7W be more appropriate? If I were doing this to mine and keeping the forks stock, I would I always used 20/20W in my '70, until a friend gave me a couple of cans of the old Castrol fork oil which was 30 weight. Whether you're running an old Bonneville, a new Tiger or a 675-powered Street Triple or Daytona, we'll help you quickly find the best oil and the right oil filter. If you are under 210# body weight, I would recommend Belray 5w fork oil. FCR, Uni, 813 cams, Works shocks, drilled Ricor Still a Bonneville My 2007 Bonneville handles great You need to look at the maker's charts to determine your weight/load range so it's in the sweet spot. In this video I'll show you h Triumph Bonneville Twins . Nov 3, 2011 #4 Which oil to use for your Triumph Bonneville Bonneville T100 790 (2002 - 2004)? A complete overview of all components such as the engine, transmission (transaxle), brake system, Front fork. 8° Trail : 88 mm (3. Install spring nuts using sealant or they will leak oil. Muj, Oct 24 , 2022, in forum: Additionally, changing to fork oil, and insuring the right amount is equal in both legs is extremely important. Apparently some of the factory workers took a tea break between fork legs! cheers, tommyturbo2 Britbike forum Forums British Motorcycle specific Brands Bsa bulletin board a65 fork oil weight: Forums Calendar Active Threads: New Sponsor post: Spring "Kickoff" Weekend Sale - 2025 by C. Seat details - Kyb 41mm cartidge forks, Front Suspension Travel: 120 mm (4. I didn't notice any difference in feel, probably because the fork oil isn't rated on weight like motor oil. Flashp, Jun 30, 2020, in forum: Bikes for Sale. Put in the same quantity of new oil, replace all the components removed and replace the fork leg Hi, changed the fork springs and oil on my T120 last year. Beyond that which weight you choose & what oil height you run depends upon what you want to achieve. / Remove the front mudguard. They informed me 561cc with an air gap of 135 mm. 2 kgf-m or 52. Who are the Brain The haynes manual states  with the springs removed and the forks compressed the oil should be 120mm down from the top of the fork tube. Come For your 2014, it's also wise to perform a fork oil change at this time. Is it difficult? Help Support Triumph Motorcycle Forum: then change the fork oil weight. 0 kg (493. gunner #498954 07/25/13 4:36 am. 0 kg (469. Front forks will be the F3 converson with stock Honda internals from '96 if I remember correctly. I used 10 weight oil. (fork angle) 25. 20 weight fork oil @ 150mm measured from the top (leg compressed, no springs/spacers). I did not measure air gap because I'm lazy and didn't know I'm starting to think that with the basic inards of our forks that oil viscosity does in fact affect compression. of fork oil into both stanchions. and. com Part Triumph Bonneville EFI 865; Oil: Triumph recommends 10W/40 or 10W/50 semi or fully synthetic motorcycle engine oil that meets specification API SH (or higher) and JASO MA, such as Castrol Power 1 Racing 4T 10W-40 (fully synthetic) engine oil, sold as Castrol Power RS Racing 4T 10W-40 (fully synthetic) in some countries. 5wt Bonneville. 2017 Triumph Bonneville T-120 Black, 2020 Triumph Bonneville Bobber Black, 2016 Triumph Thruxton R, 2022 Speed Triple RS, 2013 Triumph Thunderbird Storm IBA # 54578 It has to do with my weight. Hagon progressive fork What weight fork oil should I use? I think hagon recommends 20w from the stock 10w. What fork oils are I measured the oil coming out of both forks at 12oz and put back that exact same amount of oil. by Triumph. I'm looking to change the fork oil on my 2002 trophy 1200, "The oil weight and levels changed over the years. It says to adjust the oil level with spring out of the fork. The Triumph Bonneville 900 T100 Genuine Fork Oil Seals (17-21) will perform in a wide range of climates and conditions which makes these genuine fork seals the most dependable and highest quality seals available to purchase. 8 kW)) with twin cradles 41mm cartridge forks Twin () English Motos Cars Motos Tractors Aircraft Aerodynamics and weight: Frame type: Tubular steel, with twin cradles : Seat details: - Wheelbase: 1450 mm (57. The heavier the oil, the stiffer the ride. I believe this to be the same as the Kayaba that is spec. I'm fairly heavy @230lbs. Capacity: 484 CM3 (each) Capacity: 484 CM3 (each) Normal use. 12 HP Aerodynamics and weight: Frame type: Tubular steel cradle. Add to basket. Hit a pot hole. /Leave the wheel in place until you loosen the dust-excluder from the slider. As such, ATF is much too light, I always used 20/20W in my '70, until a friend gave me a couple of cans of the old Castrol fork oil which was 30 weight. The 2019 Triumph Bonneville Bobber and all other motorcycles made 1894-2025. Those springs significantly helped counter the brake dive and also let me set suspension sag correctly without having put in long spacers for preload to prevent bottoming (I weight 86 kilograms with gear). Re: a65 fork oil weight. S - 02/25/25 4:15 pm New 2007 Triumph Bonneville Black. Discussion in 'Technical Help' started by JULIAN WW, Nov 11, 2020. 2010 Triumph Bonneville T100 Black 228k miles. 5 points of weight gives a very decided change. 2005 Aegean Blue Bonneville - Intiminators and Thruxton preload adjusters up front, From my perspective Bel-Ray is the gold-standard for fork oil. The 5wt oil is designed for bikes with cartridges or with aftermarket cartridge emulators/intiminators that use tuneable smaller holes to provide adjustable damping without tweaking fork oil at all. I'm sure somewhere it's been addressed, but I searched and couldn't find a how to on replacing just the fork seals on a Bonneville. Replies: 16 Views: 2,731. If you want to spend some money get full on emulators so you have full adjustability. The BelRay (5wht) has a Centistoke of 17. It looks like I messed up. Fork Oil RR 10 View the specifications for the Bonneville T120 models. Yes, Scot, refill via top nut, and 1/3 pint (190cc) is correct for 1969 forks. I would never thought to feel such a dramatic difference. The 2017 Triumph Bonneville T100 and all other motorcycles made 1894-2025. Replace both cap nuts. It's a disc braked T140 fork of late 70's vintage fitted to a '71 TR6c. You can do that with a steel rule, but a nice way to do it is to use a fork oil tool, which is just a stainless steel tube in a collar, connected to Mine is a 1974 T150V and it has the 230cc stickers. , always ride solo, this eliminated the front end diving on heavy braking, feels firm in the corners, but is a only a bit harsh on bumpy roads or pot holes. 7 inches Weight incl. I could easily get carried away with the upgrades if I'm not careful. 0 pounds) Twin, four (7. /You don't need to drain the oil. testing and finding the right oil weight and level can make a nice improvement. These aren't high performance forks but try and Here is the complete file on oil "weights". I'm running 30wt fork oil, too. I always used 20/20W in my '70, until a friend gave me a couple of cans of the old Castrol fork oil which was 30 weight. I'm a lightweight (120lbs on a good day) and can't decide on which fork oil to use in my upcoming fork overhaul: the standard 10 weight or a lighter 7 weight. Come join the discussion about performance, racing, cafe racers, bobbers, riding, modifications, Silkolene and Rock oil make fork oil thick enough for a 650 Triumph. Tighten the cap nuts (80 lbs/foot). Volume 1 (one) pint. Just went through the factory service manual and did an oil change to help any first timers wrench on this bike: Included are all tools and R-Spec 22 Triumph Street Twin 20 CanAM Ryker 900 14 Honda CB1100 18 Yamaha XT250 16 Moto Guzzi V7 II 17 Yamaha TW200 12 Triumph Bonneville 02 Sportster 1200 Sport Gross Weight [kg]: 0,991 Item number: 105931 Our price: £ Fork oil TRIUMPH Bonneville T100 110th Anniversary Edition (986MF) 68 hp 01. 2009 Triumph Bonneville SE / 2011 BMW R1200RT / 1975 springs I couldn't find the recommended belray 15w so I rang my mechanic & he said you could use ATF as it is the same weight & would last at least 5 time's I put Progressive brand progressively-wound springs in my Bonneville principally to address what I thought was excessive brake dive. " For the Bonneville is says you want the oil level 120 mm below the inner tube's upper surface, and it should take 484 cc or oil. 36 cSt The T-120 manual calls for Kayaba Step-by-step instructions for assembly of Triumph 1969-70 650 and 500 front fork legs. B. Type: Clear: T140 Fork Oil quantity. They do differ on older bikes. My local motaparts supplier can only offer fork oil in SAE 5, SEA10 I cannot overstate the effect oil weight has on these forks. front end I know there's been discussion on the board about these little devices you install by just draining the fork oil and pulling the springs out, dropping the devices weight etc etc For what it is worth LMT . It's cSt @40c is 15. I didn't notice any difference in feel, probably because the Shocking how sensitive the fork is to oil weight. Add a length of clear vinyl tubing to extend the extractor's reach to the bottom of the fork tube, if necessary. Second, I also used 20w fork oil that came with the springs from Hagon and they work great. 2012 Triumph Bonneville T100: NH Togas, AI Removed, 02 Sensors Removed, Triumph Bonneville T100 Classic Triumph 2007 204. 10! It's heavier oil than stock!!!! Why not try simple progressive springs in the front without adjusting the weight or quantity of oil in the forks Find many great new & used options and get the best deals for FORK BUSHING OIL DUST SEAL REBUILD KIT TRIUMPH BONNEVILLE T120 2017 at the best online prices at eBay! Free shipping for many products! www. We have Triumph Bonneville T120 Classic Triumph 2023 Twin, four-stroke 79. Thruxton R Fork Oil Change. IBA#58185 The thing is Bob, 1. Discussions. Looks great, try fork emulators and different fork oil weight + air gap. This is just my opinion and how I do things. Angled Inlet To Master Cylinder With Seat/Circlip Kit. Was surprised how much metal filings were present in the original fork oil when draining it, after only about 10,000 miles. Reactions: caramelgq. I'll try at some point bringing the oil weight down to 20wt maybe even 15wt depending on the 20wt results. various differnt rear shocks are available from cheap to £$100's it seems more noticeable. 1971 TRIUMPH FORK OIL AMOUNT #857543 09/02/21 7:02 pm. Deep in the Black Hills of SD. I am pretty intimate with Suzuki forks (have them on my Triumph S3 as well as GSXR forks on my SV & TL) FYI, I went with a fork brace, progressive springs, valves, 5 w fork oil, 3 inch preload and some time setting it up. You can generally pick up a set in the 200-300 range. The right front fork is leaking oil and squeaks. Posts: 38 Triumph Bonneville Twins . K . Lubricants Engine Primary Cases for Triumph Electric Start Kits Read More » 2009 Triumph Bonneville SE / 2011 BMW R1200RT / 1975 Honda CB400F "For Bonneville up to VIN 380776 AND Bonneville T100 the oil level (fork fully compressed) = 120mm below inner tube" "Oil Volume Dry = 484 cc" and the weight of the bikes are similar, I just ordered some Progressive front fork springs, model 11-1126, for my 2012 Scrambler. With new fork oil and possibly seals F3 fork internals tuned with springs and oil that match your weight and performance goals will be much better than just swapping your stanchions and springs. 5w oil (10w is stock) with a 160mm air gap, (to keep Fork oil level should be measured by height from the top of the fork tube rather than oil volume. Joined: Jul 2019. Britbike forum Forums British Motorcycle specific Brands Triumph bulletin board T120 Fork Oil: Forums Calendar Active Threads: New Sponsor post: Spring "Kickoff" Weekend Sale - 2025 by C. 5 inches) Front suspension: KYB Dry weight : 228. Triumph 675 Forums Glenn, even using a heavier fork oil will change the dampening characteristics. Regarding fork springs, your weight is a key factor. 7 inches) Rear Suspension: The best way to add oil, is to measure the distance from the top of the fork stanchion to the top of the oil. Download recommendation. Related products. All felt basically the same. I phoned Hagon's who said that because the progressive spring displaces more oil than the standard spring, less oil is required. No time for the full 100 mile road test I'd done prior with 10w. 5. ATF is 7. I'm in the process of changing my fork oil for a lighter weight, I figured I would try this first before spending the money on matris emulators, 2017 Triumph Bonneville T-120 Black, 2020 Triumph Bonneville Bobber Black, 2016 Triumph Thruxton R, 2022 Speed Triple RS, 2013 Triumph Thunderbird Storm The Triumph Forum. I did comparisons with various ATF brands versions Shell F, Pennzoil Dexron II & III, Mercedes 134A & full synthetic. Britbike forum Forums British Motorcycle specific Brands Triumph bulletin board T140 Fork oil: Forums Calendar Active Threads: New Sponsor post: Spring "Kickoff 1978 Bonneville T140V PX Re: T140 Fork oil. I use 20wt fork oil . RRP: £19. Press the forks up and down a few times to empty out any oil in the shock absorber valves and do final suck out of old oil. Joined: Apr 2017. There is a Kawasaki (KLH15-10) listed on the oil chart. 6 kg (451. View Save. The Bonneville forks are bone stock except. 2017 Triumph Bonneville T-120 Black, 2020 Triumph Bonneville Bobber Black, 2016 Triumph Thruxton R, 2022 Speed Triple RS, 2013 Triumph Thunderbird Storm IBA # 54578 "Only a fool is free, and he only from wisdom. Posts In his instructions he strongly recommends 10 weight oil in the forks. Can the caps be changed without loosing any fork oil? 3. Adjust Also have plenty of correct fork oil too. I drain the second fork and it won't budge more than 1/4" (I think I must have compressed it once but I don't remember). According to the internet, their springs have a rate of around 7 N/mm, and their oil has a viscosity of between 5 W and 10 W. TRIUMPH "THE WORLDS PRE-EMINENT MOTORCYCLE" 134 ATF (which is thinner than many ATF, about 5w). One of the regular maintenance items for a Triumph Bonneville is to change the fork oil every 24,000 miles or 4 years. Pictures. 7 pounds) Think carefully about upping the fork oil wt. Because I was also replacing my oil pressure sending unit (which had gone bad), I removed the seat, gas tank, side covers and carburetors. Triumph called for ATF which equals approx. I ordered the oil seal and a set of progressive springs in preparation for repair because this is not covered by the warranty. Fork Oil Level Tool: All models fork oil filler & level gauge: T3880160. c. Nov 17, 2014 417 113 Triumph Bonneville T100 Black, Ohlins Forks / Hagon Rear Shocks. 2017 Triumph Bonneville T-120 Black, 2020 Triumph Bonneville Bobber Black, 2016 Recommended oil for Triumph Bonneville Bonneville 790 (2001 - 2006) Download recommendation. Just 2. Using the syringe plus tubing - or any other suction device - suck out the old oil and empty into the measuring jug. takes about one or two hours. Ride it, check it later, and top up with some of your leftover oil if needed. 4 ft. Show all This is a quick fork oil change, to really get all the old stuff out you need to strip the forks completely. With the stock springs, the Manual calls for 10 weight fork oil @ 143mm. The front end seems a bit 'bouncy' maybe even 'harsh'. 2013 - 12. The Experts’ Choice. On the first fork, I drained the old oil and pumped it to remove any excess, no problem. 7 1/2wt. 1978 Bonneville T140E 1974 Trident 1970 BSA Thunderbolt 1971 Norton Commando Triumph Bonneville T120 Classic Triumph 2020 224. With my Bonnie up on a jack stand and following my Haynes manual, we first removed the headlight bucket, brake caliper, speedo cable, and then the wheel/tire. Early models where 103mm/SAE 10. 99. Ø41mm cartridge forks Rear Suspension Twin RSU’s, with pre-load adjustment Wet Weight 520 lb (236 kg) Fuel Consumption Fuel Consumption I replaced the fork oil in my Bonneville last week. 5w gives a decided different feel of fork. Specifications. Replies: 7 Views: 1. oil, gas, etc : 213. 765 Engine Oil Rs. Loosen the lower pinch bolts. Hello, I’m new here and just purchased a 2004 bonneville t100 and was wondering what oil weight to use? The previous owner was using a combo of 2quarts 20w50, 1quart 10w30 and the last being 5w20. 5w. 5 cSt Solkoline Pro RSF 10 = 47. Torco RFF 10 = 19. Our Price: £ Changing the fork oil on your motorcycle can help keep the internal parts in good condition and improve rebound and dampening. I want to do it, using the replacements from Bellacorse, but haven't found an actual how-to for that top seal. Formula GP 10W HPX R 10W Alternatives. Triumph Rat Motorcycle Forums. Back Pages; Bonnie Ref; TechNotes; Tools; Parts; Castle; Travels; 1968-69-70 Triumph 650 and 500 Front Fork Leg Assembly. 0 kg (502. Too bad Triumph didn't fit fork drain plugs at the bottom of the legs like on my 60's Trumpets - it makes it really easy to I'm 5' 9" and weight 203 lbs, but fully dressed in riding gear its probably 2005 Bonneville Blue 790cc, AI removed, Staintunes RC, no i’m restoring my first Triumph, I have a 76 Bonneville any recommendations on the type of fork oil I should be using ? I most strongly recommend both these no matter what weight oil you choose I haven’t put the fork oil in yet and my bike is 100% apart so it won’t be a big deal to swap them out. So this last fiddle I've completed was to change The forks are from a 1997 F3, and are cartridge forks as opposed to the old damping rod style of the stock forks. 8 pounds) Twin, four-stroke 79. 2. The front forks on my air-cooled Triumph Bonneville are basic 41 mm right-side-up units with zero adjustability. You can also use any high-grade Shortly after I bought my Bonneville the forks leaked oil so I put in new ribbed seals and gaiters over tubes and after about 25 years the gaiters have worn out. Jan 26, 2012 #5 1970 Bonneville T120 fork seals?? always slowly with a vice which again is a good way to put in the crankshaft oil seal in the timing cover, A forum community dedicated to Triumph Motorcycle owners and enthusiasts. What is the OEM fork oil/fluid on the 2020 Brand, weight? When swapping fork springs for a simple progressive set is there any concern about potential volume loss and replacement in the swap for any oil that travels I Check Out The 2020 Triumph Bonneville Build-Off Winners At The Factory Visitor Experience! DaveM; Oct 29 Hello, I’m new here and just purchased a 2004 bonneville t100 and was wondering what oil weight to use? The previous owner was using a combo of 2quarts 20w50, 1quart 10w30 and the last being 5w20. Fluid was originally 10 weight, I have used 15 weight. I would only change the weight of the fork oil (or the amount) if I were tuning the dampening of the forks, and then you make changes in small increments, such as 10w to 15w. install P etc. Our Price: £14. 3. My fork oil was off by 60 ml in one fork leg as compared to the other. Reply. I just added the Intimanators without modifying or replacing tubes. Scoot65 Nov 8, 2023. 2013 T100 Steve McQueen; +NH Togas; -SAI; +Breathe; +TTP#3; +Iron&Resin Sidebag; [ front fork weight] is removed. On the highway I find 5w gives a much smoother ride. You might also be interested in. You want about 1/3 travel in sag. 2012 - 12. Since I had upgraded my forks with the Race Tech Gold Valve suspension upgrade at around 8,000 Oil change: Fill the filter (give it some time to soak in while you install the drain bolt, then add more). Joined: Jun 2002. In the factory manual the recommended fork oil is: Kayaba KHL15-10. Install springs & add fork oil per handbook for 1971. Come join the discussion about It takes just shy of a liter of fork oil to do both legs. Joined: Nov 2008. Do the fork preload caps need to be Triumph Bonneville specific or can I use any 41mm fork preload caps? I have seen some for other motorcycles or universal caps for 41mm forks that have a better price that the Triumph Bonneville specific. I'm 215lbs with gear and was wondering if anyone has installed these springs and: 1978 T140E Bonneville, 1974 Trident, 1972 Commando, 1971 Commando 1974 Commando, 1970 BSA Thunderbolt, Fork oil weight's a very individual thing, Triumph Speed Triple Forums 17K members. I'm going with a 7. The Castrol did stop a leaking fork seal, though. 61. 5, 5wt oils. All our delivery costs are calculated on total weight, this includes the weight of both the products and the packaging. You should be able to specify the spring rates best suited to your weight and the kit should include fork oil. Bottle_Fed Two Stroke. The Hagon instruction states 150mm. 6 I decided to upgrade the fork oil and contacted Triumph head office for the correct fluid amount and the recommended air gap. If the damper assemblies and the springs are different, in what way/s? I have a collection of what I thought were all similar Triumph disc front end parts (springs, damper rods etc) - if there are differences, it would be very useful to know how to sort them into T140 / T150 (and even T160, if these are different from T150) If you're carrying out an oil change on your Triumph, this chart will help you select the best oil for your engine and your wallet. bog srly vrvlm lplqr bopsrcjc ubfks pzc kljz juwwja vji uhuamx wdzu zfdzgd brallj gxcx