Bicycle Motor Works – Performance Flying Monkey 66cc Bike Engine Kit

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$345.00



The Flying Monkey kit offers an engine that’s been properly ported, reworked and topped off with one of our 6cc high compression heads – designed and built here in the USA. It’s the perfect engine for someone who wants a daily-driver. With 40% more power and torque than a stock engine, this engine is also much smoother and reliable than anything off the shelf. It works great with a stock exhaust and carburetor, and you even get extra tuning jets with this deal as well. This engine Includes: • Very well-balanced bottom end from a single reliable source. • 5 additional jets for carb (sizes 60,65,70,75,80) • Cylinder is decked for proper squish clearance and optimal compression. Copper Head Gasket • USA Made Billet Aluminum High-Compression Head (6cc combustion chamber) • Ported cylinder for advanced timing • HUGE Transfer Ports with Knifed Edges. • Transfer Ports cleared, reshaped and redirected. • Piston ramped at the exhaust and skirt properly trimmed at intake. • NGK High-Performance Spark Plug (cooler running) • NGK Water-Proof Spark Plug Boot • 12+” of 7mm copper-core wire • Studs in cylinder replaced with grade 8.8 studs and hardware. ALSO INCLUDED: Carburetor, CDI, Throttle & Grip set, Throttle cable, Clutch cable, Kill switch, Clutch lever, Chain, 44T Sprocket W/ 9 Hole, Clamp Pads & Hardware, Chain Tensioner, Fuel tank, Petcock and Muffler Please Note: Engine and Kit ship in 2 Large, Flat-Rate USPS Priority boxes. To sum it up… There are enough Monkeys” out there selling “High Performance” engine kits. These swindlers simply slap a cheap, Chinese knock-off head on a stock engine (sometimes a few other shoddy parts) and add a few numbers and letters to the engine’s name. Then they post some ridiculous horsepower claim and overcharge you – laughing all the way to the bank with your hard-earned money.Performance enhanced GT5 model, for a more durable, powerful engine!
This kit includes everything your need to motorized your bike, all you need is your tools.
Bicycle Motor Works offers unlimited technical support with every kit.

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