ebay rebuild kit any good?

[noid]

Yamaha YFS200 200 Blaster Engine Motor Top Rebuild Kit! on eBay.ca (item 260412879178 end time 17-Jun-09 12:44:02 EDT)

Seems like a good price but is it any good?

 

[royalt67]

Namura pistons are good hypertuetic cast pistons, which makes them almost as strong as forged pistons while being lighter. They also have a cool moly skirt coating. For what you get this isn't a bad deal at $169.

However, I just bought a rebuild kit off ebay for $95 (+ship) including a wiseco forged piston, pin bearing and gaskets. The same kit you are looking at could be had for $85 (+ship). It's all a matter of whether you think the machine work and shipping for the above deal is worth the extra. Personally I paid $30 for a local guy to bore the cylinder but didn't get the beadblasting. Of course I also didn't have to repaint. Personal choice.

 

[diesel]

I just ordered a complete Namura top-end from my local machine shop for $127.97 + tax. The kit includes needle bearing, piston, rings, wristpin, circlips, base gasket, and head gasket. I haven't run a Namura piston before, but if you search the net, most people that have run them had good results. Time will tell. I'll have to update this post after we get a few hours on the quad.