PISTON KIT 81-12 PW50 40.50, NAMURA NX-40005-2 YAMAHA

Part No. 56-W938+050.NT (oro2u.com)
YAMAHA PW50 1981-2014, SCOOTER YAMAHA QT 50 “YAMAHOPPER” 1979-2087, YAMAHA MJ 50 1982, YAMAHA LC 50 1980-1981, YAMAHA SG 50 1981-1983,

Namura Piston Assembly – 40.50mm Bore – NX-40005-2
Namura pistons are made to exact OEM specifications and are direct replacements for OEM pistons with no modifications or dimensional adjustments needed. Namura pistons have MOS2 (Molybdenum/Teflon) skirt coatings, high-silicon aluminum and anodized domes. Piston kits come with the piston(s) individually wrapped, a set of OEM quality rings packed in

their own box, wrist pin(s), and circlips. Namura rings are made by Riken the world’s largest OEM manufacturer and are the same OEM rings used on more motorcycles and ATV’s than any other brand. A, B and C pistons are available to help extend the life of expensive Nikasil, SCEM, Boron Composite and Ceramic Cylinders.