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Honda MX & Off-Road Dirt Bikes
Gearbox oil (01 cr250)
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[QUOTE="BP, post: 161059, member: 18976"] As far as car oils, almost all 5w30 and 10w30 have the "EC" (energy conserving) additives in them. If you check the bottles they will have an "EC" insignia on the back. 10W40, 20w50, and SAE30 do not have the "EC" additives or the insignia on the back of the bottles. Although I do use 2-stroke specific tranny oil now (Spectro 80w and Champion 80/90w) I have used car oil and ATF type F in the past with no problems. My '87 Honda CR 125 manual said to use 10w40 in the tranny, on the air filter and on the chain. My '92 KTM 250 Sx said to use SAE 30 in the tranny. And my '95 ATK 250 cross country said to use 20w50 in the tranny. If I were to go back to using car oil, I think I would use an SAE 30 or 40 weight due to there non-"EC" ratings. I can't tell the difference in wear, shifting, or clutch performance between car oils and 2-stroke specific tranny oils. Just my 2 cents worth from my 23 years of riding. BP [/QUOTE]
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Dirt Bike Discussions By Brand
Honda MX & Off-Road Dirt Bikes
Gearbox oil (01 cr250)
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