QS Zenoah G290 29cc Engine with Racing Clutch

4-bolt cylinder design for improved sealing and reduced gasket blowout (an enhancement from the 2-bolt cylinder design of the G260RC)
a stronger and lighter crankcase with additional crankshaft bearing
high-performance WT-990 carburetor as standard equipment (15.88mm bore, 12.7mm venture)
A lighter flywheel
metal-impregnated insulator gasket for a better seal and modified cylinder hardware to better resist vibration.
The cylinder showcases a 4 transfer port 36mm cylinder with a "hemi"-style combustion chamber. There are redesigned fins for better cooling and larger ports. A full-circle crankshaft round out the internals. Includes a preinstalled 54mm inner clutch assembly and installation instructions.
For Scooters: Fits Sport, X-ped, Bigfoot, Super X-ped, Super Bigfoot, GSR Sport, GSR25, GSR26R, GSR29R, GSR Cruiser, and Quad 30.

For R/C: Fits a wide variety of R/C cars, planes, boats, and helicopters. For cars - fits Rovan, KingMotor Baja Buggies, Trucks FG: Marder, Leopard, Monster Beetle, Monster Truck, Stadium Truck, Pajero, Sportsline, etc. Also fits Duratrax Firehammer, Firehammer MT, XTM Grizzly, Carson Attack, HPI Baja 5B/5T/5SC, Traxxas Monster Buggy, MCD Rally, MCD Race Runner, MCD 4x4 Monster Losi 5IVE, Losi Desert Buggy XL (DBXL) and most other large scale onroad and offroad RC cars. Some slight modifications may be needed in some vehicles.

Fits Vehicle Types

• 1/5 Scale Primal RC Gas Dragster and many other 1/5 Scale RC Vehicles