Zenoah Motors

Zenoah G231PUM 3 HP

Watercooled Engine

 

 
 The 2005 Zenoah G231PUM watercooled engine is a 22.5cc
(32mm bore, 28mm stroke) performance machine.
It features a red silicone spark plug cap,
4 transfer port 32mm cylinder,
high-performance single-ring piston,
Walbro WT-644 carburetor (15.88mm bore, 12.7mm venturi,
adjustable high and low jets), and re-designed
"hemi"-style combustion chamber.
Air filter and muffler not included.

Engine Stats: Displacement: 22.5cc.
Power: 3.1HP @12,500 RPM. Torque: 1.37 ft/lbs @10,000 RPM.
Timing: 30 degrees BTDC @ 7,000 RPM.
Compression Ratio: 8.4:1.
Fuel: 90 octane (using the R+M/2 octane rating method)

or higher mixed 25:1 with 2-stroke oil.

   

$295

 

 

 

 


 
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