Main Large Bearing; Most Largeframe Vintage Vespas fuel tank * Hex size - 5/8

* Hex size - 5/8

and go-karts

Brand Popular Models Wolf Brand EX-150

Take control of your CVT’s shift logic with the NCY 2000rpm Compression Spring

Heavier than stock — maximum top-end speed

Main Large Bearing; Most Largeframe Vintage Vespas fuel tank * Hex size - 5/8Large crankshaft bearing. Fits clutch side for all models, except small frames. This is also the flywheel side bearing for VNA, VNB, VBB, VBA, VLB, VLA, VBC, VNC, VB1, VS5 and VL1 VL3, so, for those, models you'll need 2. On P series scooters, use 133068 for the flywheel side bearing. And, if you've already torn your engine apart, why not replace the rear hub bearing while you're in there? (Part # 90025).