Trials Trail & Enduro Parts > 1. Yamaha TY Trials Parts > TY175 Parts > 4. Crank & Piston
8 & 9. Crankshaft Main Bearings - TY125 & TY175 Twinshock
Pair of Koyo/NSK (OEM) bearings for the crankshaft
New Crankshaft Main Bearings
1 pair left & right
For all years of Yamaha TY125 & TY175 Twinshock
Also fits loads of other models, too many to list, if you have a requirement just ask.
Brand new stock - don't be ripped off!
These bearings are rated 'C3' which means the correct interference fit to the crank & crankcases. If the bearings are not the correct fit in the crankcases or round the crank then they will spin around damaging both the crank & cases .Both bearings are open (unsealed) type, don't use sealed bearings in the crank as they need to be lubricated by the fuel mixture. The grease in sealed bearings will melt at normal operating temperatures and the bearings will seize
Bearings will be either Koyo, Nachi, NSK or MS brand, all OEM Manufacturers, depends on our stock at the time of order. Rest assured all bearings we supply are of the highest quality.
If you want to know the best way to fit them just ask.
We also keep all the other bearings and oil seals for the engine
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