The brand-new GP460 engine is a 45.7cc (42mm bore, 33mm stroke) performance machine. Designed after the high-revving Zenoah RC style motors, it features a 4 transfer port 42mm cylinder, high-performance case pulsed Walbro carburetor (19mm bore, 15mm venturi, independent high and low jets) "hemi"-style combustion chamber, and full-circle crankshaft. The combustion chamber clearances have been improved for better thermal control, resulting in more uniform thermal expansion characteristics and reduced dynamic stress at high operating RPMs! Includes 78mm three-shoe inner clutch assembly preinstalled.
For Scooters: Stock engine on Trail Ripper GTR46, Super Go-Quad 46, SGSR46R, Trail Ripper Quad, and RIOT. Also fits GSR25, GSR26R, GSR29R, Go-Quad 25, and Super Go-Quad 30 when used with 78mm motor mount (DDM part hh551).
For R/C: Does not fit most R/C applications.
Engine Stats: Displacement: 45.7cc. Power: 4.2+HP @11,000 RPM, 2.35 lb/ft torque @8,000 RPM. Fuel: 91 octane or higher mixed 25:1 with 2-stroke oil.
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