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Number 62600094 TESTED-CERTIFIED for use in Harley-Davidson® transmission and primary chaincase applications. Exclusively engineered for Harley-Davidson® Motorcycles, this Heavy Synthetic Gear Oil is intended for use in extreme temperature environments (desert heat or cold weather), frequent two-up riding and heavy load riding applications. All H-D® Transmissions and the following primary chaincase applications: ‘71-later XL, ’83-84 XR1000, 08-13 XR, and 84-later Big Twin models. Not for use in 02-17 VRSC™ or 15-later XG models. Stay up to date with the latest news & eventsFIND US 3445 Pacific Hwy, Springwood, Brisbane QLD 4127 Get Directions Started by Slider1950, May 17, 2019, 02:50:44 PM Previous topic - Next topic 0 Members and 6 Guests are viewing this topic. Interesting. I knew they had it but hadn't read their recommendations til now. It appears it is now their recommended syn chain case lube. I wonder if Formula One is going away? 98fxstc
Norton Commando
Remember, you can sleep in your car, but you can't drive your house. I don't understand how any "gear oil" could be used in the primary under cold "extreme temperature environments." Support the Maine lobster industry Ancient
$19.95 a quart on the moco site. I don't know what dealers are charging for it. No thanks. Isn't it a bit ironic that this product advertised as a use in tranny and primary lube, pops up shortly after all the transfer issues do? Don D
75W-90 gear oil is about the same viscosity as 10W-40 engine oil. You do not want a high viscosity oil in the primary. Quote from: Ancient on May 18, 2019, 07:04:58 AM Yeah, I thought about the same. Maybe the long range plan is to put a tube between the two and just keep one oil level...... If they used the right lubricant, that could do that. I've been using Bel-Ray gear saver 75wt for years in the primary of my two bikes. Works great, clutch loves it. HD transmissions have lived running 20w50 synthetic oil, so they don't really need super heavy weight lube. Although motor oil isn't the best solution. Don D
An oil about the same viscosity as motor oil with hypoid additives is fine however. Not a shockproof heavy fan No Cents
just me thinking out loud here. 08 FLHX my grocery getter, 124ci, wfolarry 110" heads, Burns pipe, 158/152 sae Don D
Agreed but a light hypoid can do great in both. One without posi additives. Norton Commando
Quote from: kd on May 18, 2019, 06:36:39 AMQuote from: Norton Commando on May 18, 2019, 06:33:34 AMQuote from: 98fxstc on May 17, 2019, 05:44:31 PM Oops, you're correct, my mistake. Jason Remember, you can sleep in your car, but you can't drive your house. Moparnut72
Harley's description of this lubricant states that the viscosity is lower at cold
temperatures and higher at operating temp. Sounds good but I would be hesitant to put it in my bike even though I wouldn't mind getting it a bit quieter. I am afraid it might mess up clutch function. Don't Sportsters use the same oil for primary and transmission? Slider1950
Well my thinking is to use the new HD 80w 140 in my M8 trans and continue to use Formula+ in the primary. That way if I ever get trans to primary migration I know the new HD gear oil won't adversely affect my clutch. At least that is my thinking as of now. Hilly13
Just because its said don't make it so I think I paid $18 for Spectro tranny gear lube. They are not giving any of that stuff away anymore. We learn from history that we do not learn from history All of the syn gear oils are priced high and at similar levels. Quote from: Slider1950 on May 18, 2019, 06:23:26 PM See reply #18. It looks like Formula Qne is being discontinued and the MOCO is discounting stock to get rid of it. $20 a year for trans lube isn't horrible. Ignorance is bliss, and accuracy expensive. How much of either can you afford? I had local dealer do the 1000 mile on my new limited just last Tuesday, a week
ago. I told service adviser SYN3 in primary and engine and the new 80/140 gear in the tranny. The service person did not know of it! I went up front got a quart and handed it to him, told him 'here it is and it's what I want in my tranny'. Flatland Charley, Lazy Photographer Dan89flstc
Quote from: kd on May 19, 2019, 06:41:48 AM If you look at syn gear lubes in local auto parts store, you will find that 75w90 is about half the price of 75w140, same brand. Anybody here wearing out gears by using 75w90? 1989 FLSTC 2016 FLHR 2019 FLHT What oil is best for Harley transmission?Answer: For any Harley Twin-Cam engine, we highly recommend using AMSOIL Synthetic 20W-50 in “all three holes” (as they put it) for two essential reasons. Update: AMSOIL now offers dedicated fluid for Harley Davidson primary chain-cases and transmissions.
What weight is Harley gear oil?Our answer: It is perfectly acceptable to use 75W-140 gear oil in Harley-Davidson transmissions. But, do consider that 75W-140 is much thicker than oils typically used in Harley transmissions. For instance, AMSOIL V-Twin Synthetic Transmission Oil is an SAE 110 gear oil.
Does HarleyAns: For all weather conditions, Harley Davidson recommends SAE 20W50 synthetic oils the Twin Cam engine. But if you live in a region where it gets below 40F, you should get something that maintains SAE 10W40 standards. Similarly, SAE 60 H-D is suggested for higher temperatures above 80 degrees.
Can I use 20 50 oil in my Harley transmission?Amsoil recommends 20W-50 synthetic V-twin motorcycle oil in the engine, transmission and primary chaincase on most Harleys.
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