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TT-R125L + BBR engine oils

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I've been reading alot online lately about engine oils for 4-stroke motorcycles.

Do the non-motocross 4-strokes demand as high a grade of oil as the motoX'ers?

My TT-R125LE has airbox mods, high-flow air cleaner, big bore carb/throttle, big-bore engine kit, high-flow exhaust pipe, and HD clutch springs; all by BBR.

What oils are those of you using who have BBR 150CC big bore kits installed? Do any of you run high-grade automotive oils, or others??

If so, do you have problems with clutch slippage, etc?

I just saw that Yamaha's price for a bottle of Yamalube 4 is about $45.00/quart. That could get pricey, quick. :cry:

Any suggestions for a HIGH QUALITY oil that will not be "an arm and leg", to change routinely?

Thanks, Matt

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Any oil that carries the Japanese "MA" rating will be just fine.

In my shop we use Castrol ActEvo as our standard non-synthetic oil

for most customer oil changes. It should sell for $3.95 /liter.

Really, any name brand motorcycle oil will be fine. I suggest

you stay away from automotive oil. The newest car oil is being

formulated more for fuel efficiency than outright lubrication and

and may not fully protect a motorcycle engine.

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I use Spectro Golden 4 which is a semi synthetic. It made the shifts smoother than with the Mobile1 15w50. I also tried Motorex but it dirtied up really quick and Maxima from what I have seen is crap oil bottled as HP in a bottle, so I stay away from it.

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im using ams 5-30 synthetice and havent had a problem but that yama lube holy thats expensive

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