Great replacement piston
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Wiseco makes a great product, but when you buy a top end kit, you're gonna want a new caged needle bearing in my opinion, and this kit does not come with that so you'll have to order that on the side. I don't know why they don't include one, a lot of there kits do. Really it just boils down to, make sure you read the inventory list before you buy.
I;ve never replaced a piston before but had the service manual on hand. The Wiseco piston was packaged in a nice felt bag and had a very clear instruction booklet. I used my service manual for specs and had to file a little off the ring ends to get the minimum ring end gap. I'd buy another Wiseco for sure!
Saw the Wiseco reps at the Hi Point National. Could'nt thank them enough for helping to keep my 1978 RM125 running strong.
Replaced Top end on a PW50. Cylinder, Cylinder head, pistion, rings, circlips, gaskets, & new nuts.All parts came in within 5 days. Everything matched up perfectly. I have done plenty of business with Motosport over the years. They have good prices & parts & service are excellent!
Consult your service manual to determine the correct size piston with the clearances required. If you need more help, consult a local service or machine shop to help you.