ZEN 5600, Zenoah G260PUM (25,4cc)(3.25+ HP)(Marine Engine) 1st.
these G260PUM engines come with the high performing WT-257 carburetor.
The Zenoah G260PUM watercooled engine is a 25.4cc (34mm bore, 28mm stroke) performance machine.
It features a red silicone spark plug cap, 4 transfer port 34mm cylinder, high-performance single-ring piston, upgraded Walbro WT-257 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.
Power: 3.25+HP @12,500 RPM.
Torque: 1.52+ ft/lbs @9,500 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.
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