C4 bearings
Hi there,
if I remember correctly some of the bearings are C4 bearings, and on my journey around the world I replaced all bearings at 100.000km and at 200.000km with genuine Yamaha bearings. Pls make sure if you dont use genuine bearings that you use the right ones.
crankshaft. I would give the crankshaft to a workshop that is specialised in overhauling them, a long time ago Kedo offered this service but I dont know if they still do it.
all the best.
mika
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