YAMAHA YFM250 Moto-4 89-91 Piston and Ring Kit .020" 0.50mm Oversize 71.50mm
YAMAHA YFM250 Moto-4 89-91 Piston and Ring Kit .020" 0.50mm Oversize 71.50mm
0.50mm Oversize .020"
Bore Size: 71.50mm
0.50mm Oversize .020"
Bore Size: 71.50mm