2019 Gas Bike Monster 79cc Motorized Bicycle

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This monster is upgraded to make the overall size smaller. A Large 79cc engine with a CNC single speed transmission featuring a  ⅝ shaft keyed centrifugal clutch. Replacing the on motor gas tank with a standard 2.0 lier frame mount tank. Also included is an upgraded exhaust adapter and chrome exhaust pipe, with this setup all 2 stroke pipes can be bolted up.

4 Stroke engine kits are very different from 2 stroke kits in many ways. Building a 4 stroke bike is a little more involved then the two strokes, the extra effort is worth it. Pull start engine, not push start like the 2 strokes. Overall this type of engine is more reliable with more power and torque. With some of the larger cc motors, the top speeds far exceed the 2 strokes. Since these motors are larger in cc they are also larger in size and weight. Almost all bicycles will need to use a wider crank setup to clear the motor, the stock arms and pedals will hit the motor when pedaled as a regular bike. One piece cranks will also require a bottom bracket conversion set as well (not included).

This style of the engine might need slight modification to the bikes and will not fit all frames. 

Advantages of 4 Stroke Bicycle engine kits:

Use straight gas (no mixing oil with gas)

More Horsepower

More Torque

Quieter Engine

This complete motorized bike includes:

Kulana Men's Hiku 26'' Cruiser Bike

78.5cc - 79cc 3HP OHV GasBike Horizontal Shaft Gas Engine 

Transmission for 78.5cc - 79cc OHV GasBike Horizontal Shaft Engines

Heavy Duty Bicycle Mounting Kit for 78.5cc - 79cc or 212cc OHV Predator Horizontal Shaft Engines

79cc Muffler with Adapter - Chrome

2.0L Gas Tank

Tank Switch

Fuel Filter

Fuel Line #2

Transmission Cover

Throttle Handle

Throttle Cable - 50"

44 Tooth Sprocket

Pineapple Bushing Kit

415 Heavy Duty Chain

Idler Pullet Chain Tensioner with 2 Bolts

Throttle Linkage

2pc. Wide Pedal Crank Kit
 

The construction and engineering on this unit have been upgraded for improved durability and service life. This tough gas engine features a durable cast iron cylinder that withstands wear and abuse, fuel shut off for safe transport and gas-saving overhead valves for a cooler, cleaner performance. The horizontal shaft design makes this an ideal all-purpose gas engine.

Upgraded engineering and construction for improved lifespan

Durable cast iron cylinder withstands wear and abuse

User-friendly controls for easy starting and operation

Fuel shut off for safe transport

Ball bearing support shaft for long life

Recoil start
 

BIKE FEATURES:

Steel cruiser-style frame with easy reach handlebars

Extra large spring seat

Coordinating fenders

Rear coaster brake

Frame Color: Green

Frame Material: Steel


ENGINE SPECS:
 

Name3 HP (78.5cc - 79cc) OHV GasBike Horizontal Shaft Gas Engine 

SKU69733

BrandGasBike Engines

Engine displacement (cc)78.5cc - 79cc

Horsepower (hp)3

Maximum speed (rpm)3600 RPM

Maximum Torque (ft. - lbs.)3.5 ft. lbs. @ 2500 RPM

Mounting pattern102mm L x 104mm W - 61.5mm W (4 in. L x 4.9 in. W - 2.4 in. W )

Mounting typeHorizontal

Quantity1

Shaft rotation directionCounterclockwise

Sound rating (dB)104 dB

Start typeRecoil start

Product Height8.5 in.

Product Length12-1/4 in.

Product Weight24.25 lbs / 11 kg

Product Width11-1/2 in.

Shaft length (in.)2.4 in. (60.1mm)

Shipping Weight26 lbs

Stroke length (in.)37 mm