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| Zenoah G290PUM Manual (.pdf) COMING SOON! ENGINE SPECS: Ignition: CDI-Type Magnetic Displacement: 28.5cc (28mm stroke, 36mm bore) Power: 3.5HP @13,000 RPM. Torque: 1.23 ft-lbs (1.68 N-m) @10,000 RPM. Timing: 30 degrees BTDC @ 8,000 RPM. Compression Ratio: 8.9:1.DIMENSIONS Length: 153mm Width: 160mm Height: 181mm Weight: 3.5lbs (approx 1.6kg) Starter: EZ Recoil Starter | The Zenoah G290PUM Water-Cooled engine has a 28.5cc, 3.5HP@13,000 RPM. A 2 Cycle Piston Valve Gas Marine Engine which features an all-new cylinder design with 4 x transfer ports for improved torque & high-RPM performance. The Zenoah G290PUM employs an EZ Starter recoil/pull-starter system for easy starting. Modifications available – Contact us for details and pricing. |
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| BONZI-RECOMMENDED FOR YOUR ZENOAH G290PUM ENGINE: | |||||||
  | Bonzi 4 Point Quick Release Mounts for G290PUM $66.95 |   | For use with G260PUM, G290PUM or G231PUM engine. $12.25 |   | The clutch now includes an integrated flex collet (either square or round) – your choice. $159.95 |   | Designed as a direct replacement part for the Zenoah G260PUM, G231PUM, the QD25, and clone engines. $48.95 |
 | Bore-up kit for Zenoah G290PUM $89.95 |  | $9.95 |   | Zero Drag Seals 300 RPM Boost! $19.95/pair |  | Cylinder for Zenoah G290PUM $53.95 |
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