Engine

Part# Description/Use
ENGINE
YM-01253 Valve Spring Compressor
Short “C” clamp style compressor comes with two adapter sizes 26 & 32mm O.D.
Optional Adapters:
YM-01253-1 Compressor Replacement Adapter 26mm.
YM-01253-2 Compressor Replacement Adapter 32mm.
YM-04019 Valve Spring Compressor
Quick release-style compressor comes with universal adapter that covers 28.5 &
32mm O.D.
Optional Adapters:
YM-04108 Compressor Adapter 20mm
YM-04114 Compressor Adapter 19.5mm
YM-04111 Valve Guide Driver 4mm Diameter Valves
YM-04116 Valve Guide Driver 4.5mm Diameter Valves
YM-04097 Valve Guide Driver 5mm Diameter Valves
YM-01122 Valve Guide Driver 5.5mm Diameter Valves
YM-04064-A Valve Guide Driver 6mm Diameter Valves
YM-01225-A Valve Guide Driver 7mm Diameter Valves
YM-01200 Valve Guide Driver 8mm Diameter Valves
YM-04112 Valve Guide Installer 4mm Diameter Valves
YM-04117 Valve Guide Installer 4.5mm Diameter Valves
YM-04098 Valve Guide Installer 5mm Diameter Valves
YM-04015 Valve Guide Installer 5.5mm Diameter Valves
(supercedes YM-01129. use w/YM-01122)
YM-04065-A Valve Guide Installer 6mm Diameter Valves
(use w/YM-04064-A)
YM-04017 Valve Guide Installer7mm Diameter Valves
(supercedes YM-01226. use w/YM-01225-A)
Available Valve Guide Installers for all 4-stroke engines.
YM-04113 Valve Guide Reamer 4mm Diameter Valves
YM-04118 Valve Guide Reamer 4.5mm Diameter Valves
YM-04099 Valve Guide Reamer 5mm Diameter Valves
YM-01196 Valve Guide Reamer 5.5mm Diameter Valves
YM-04066 Valve Guide Reamer 6mm Diameter Valves
YM-01227 Valve Guide Reamer 7mm Diameter Valves
YM-01211 Valve Guide Reamer 8mm Diameter Valves
YM-45469 Valve Keeper Remover & Installer Tool
If you want to save time and money, this tool effectively removes the keepers
quickly & easily. Works great for changing valve springs without removing
the head. (must fill cylinders with compressed air)
YM-04108 YM-04114
GEN/OPE
111