This AHP 184cc high compression engine build features the TB Roller Rocker Head with race cam, fully ported and polished head by AHP. Also included is the TB 28mm complete carb kit so your ready to bolt this in and go. Estimated 19-20hp! This has a Honda style motor mount pattern, so it will fit into any 50 based bike or a midsize bike with the Honda style motor mounts.

Bottom end is a YX160 with the tried and trusted 4 speed all up manual transmission, 5 plate shaft mounted clutch that starts in any gear, lightened oil slinger and Inner Rotor Kit OR lightened flywheel included!

Comes with a 28mm carb and intake setup, oil cooler and lines, cables, kick starter, shifter, wiring harness, filter, and cdi. Everything you need to install.

Any other questions please call 610-417-2533 or use our contact page to email us!