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Shovelhead models from 1966 to 1975 use Dot 3 brake fluid. HD Primary Chaincase is used in the primary chaincase. All shovelhead models 1970 and later use HD Type B fork oil. HD Hydra-Glide fork oil is for 1966 to 1969 models. K&N Motorcycle Oil Filter: High Performance, Premium, Designed to be used with Synthetic or Conventional Oils: Fits Select Harely Davidson, Buell Motorcycles, KN-171C. Sold by HRP / Power Oil Center and ships from Amazon Fulfillment. Harley-Davidson makes two types of fork oil for shovelheads. This item: Red Line 42804 V-Twin Transmission Oil with Shockproof, 2 Pack. The transmission uses 1.5 pints of HD transmission lubricant, although many people use 75w90 gear oil mixed 3-to-1 with Lucas oil. Harley-Davidson recommends 4 quarts of SAE 50 or 60 engine oil in all 1966 through 1984 shovelheads. The primary lubricant should be changed at 5,000-mile intervals, the transmission oil every 10,000 miles and the the fork oil every 20,000 miles. The official maintenance recommendation is to change engine oil every 5,000 miles, but changing the oil at 2,500 miles is a good idea for an older shovelhead. That keeps the engine and other moving components lubricated and operating efficiently. why would it run better - Answered by a verified Motorcycle Mechanic We use cookies to give you the best possible experience on our website. Just rambling again, food for thought and cussing and discussing.Motorcycles need their main fluids changed at regular intervals. I have a harley golf cart what type oil goes in the clutch and what is the point gap. It should show you even if you cannot feel it yourself.įrom charts of runs I have seen, most folks who do even slight build on motors without updating clutch packs are leaving allot of the gains on the floor. While on clutches, those of you who have had dyno runs, look to see if it shows any clutch slippage anywhere.
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It is also recommended by the clutch companies. His point was it is used in transfer cases with clutch packs and chains and such as well as a detergent in it. Opinions are like noses, we all have one, I just went to ATF in primary because when I ask my independent wrench what he used, he smiled and said Valvoline ATF, had been for years. I do only use the Red line stuff in there.
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Guess I would change it at end of season if I did not put that many miles on it. I have taken several trips which were over 7000 and changed when I got home. I change crank case and primary around 5000 or so. Whatever you use, fluids we have today are probably not close to wore out when we change them. With the motorcycle engine warmed up, remove the drain. Let’s discuss the pros and cons of going with 75W-140. For instance, AMSOIL V-Twin Synthetic Transmission Oil is an SAE 110 gear oil. But, do consider that 75W-140 is much thicker than oils typically used in Harley transmissions.
#WHAT OIL GOES IN A HARLEY TRANSMISSION HOW TO#
One specifically recommended not to use +1.Įveryone has reasons why they use any fluid in the three holes of the TG. Here is how to change the transmission oil on a Harley Davidson Evolution Big Twin motorcycle engine. Our answer: It is perfectly acceptable to use 75W-140 gear oil in Harley-Davidson transmissions. Barnet and Rivera both recommended ATF in HD primaries. Looking into clutch stuff, I went through tech stuff on racing clutch setups as well as stock setups. The search engines just takes one to allot of stuff out there and some not true too I guess.
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I just do allot of reading on allot of different things. Please Explain, as we all value your choice! What Oil do You use in your Tri Glide Primary? Just throwin this out there people.Lets Discuss!!