SKU: 16794058019
pedal bike with engine

pedal bike with engine 79cc Monster 80 Bike Engine Kit

Sale price$25.84 Regular price$28.71
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Ships within 48 hours · Estimated delivery Aug 4 - Aug 9

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Description

pedal bike with engine 79cc Monster 80 Bike Engine KitNOW IN STOCK! 79cc Monster 80 COMPLETE Bike Engine Kit 4 Stroke A bigger kit to get your bike moving. This setup includes a CNC single speed transmission with a shaft keyed centrifugal clutch. Using the motor gas tank and exhaust which both can be upgraded (see 79cc Monster 90 kit). 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

NOW IN STOCK!


79cc Monster 80 COMPLETE Bike Engine Kit - 4-Stroke

A bigger kit to get your bike moving. This setup includes a CNC single speed transmission with a  ⅝ shaft keyed centrifugal clutch. Using the motor gas tank and exhaust which both can be upgraded (see 79cc Monster 90 kit).

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 kit includes:

  1. 78.5cc - 79cc 3HP OHV GasBike Horizontal Shaft Gas Engine 
  2. Transmission for 78.5cc - 79cc OHV GasBike Horizontal Shaft Engines
  3. Heavy Duty Bicycle Mounting Kit for 78.5cc - 79cc or 212cc OHV Predator Horizontal Shaft Engines
  4. Throttle Handle
  5. Throttle Cable - 50"
  6. 44 Tooth Sprocket
  7. Pineapple Bushing Kit
  8. 415 Heavy Duty Chain
  9. Idler Pullet Chain Tensioner with 2 Bolts
  10. Throttle Linkage

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


ENGINE SPECS:

Name 3 HP (78.5cc - 79cc) OHV GasBike Horizontal Shaft Gas Engine 
SKU 69733
Brand GasBike 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 pattern 102mm L x 104mm W - 61.5mm W (4 in. L x 4.9 in. W - 2.4 in. W )
Mounting type Horizontal
Quantity 1
Shaft rotation direction Counter clockwise
Sound rating (dB) 104 dB
Start type Recoil start
Product Height 8.5 in.
Product Length 12-1/4 in.
Product Weight 24.25 lbs / 11 kg
Product Width 11-1/2 in.
Shaft length (in.) 2.4 in. (60.1mm)
Shipping Weight 26 lbs
Stroke length (in.) 37 mm




TRANSMISSION SPECS:

  1. 79cc Transmission plate with complete sprocket and shaft assembly (Sprocket = 22T and 9T)
  2. 11 tooth, #415 sprocket Centrifugal Clutch
  3. Complete hardware for mounting the transmission plate on the engine (Screw thread size is 5/16-24)
  4. #415 Chain, 41 Link with a master link

 

NOTE: NO MANUAL INCLUDED.


Our gasoline operated products are NOT compliant with Environmental Protection Agency ( E.P.A. ) or California Air Resources Board (C.A.R.B) for the use on/off Public roads. Upon purchase, the buyer agrees to use products for racing (closed-course competition) only and NOT for on/off public roads.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 16794058019

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Nita
Dallas, US
★★★★★ 1
Garbage!!!
Size: 6 Panel
The description of this item claims it is a room divider for patio privacy. The problem is that a little gust of wind and down it goes. Ther's not much privacy when it's always on the floor. This poor design needs some braces on the bottom to give it some stability and keep it from blowing over. Mine came damaged and the seller wanted me to pay $80 to have it shipped back to them despite uploading pictures of the broken hinge it came with. Take my advice, keep looking and don't settle for this one!
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Reviewed in the United States on January 28, 2022
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Anna
Omaha, US
★★★★★ 5
Stylish, Sturdy Shelves That Instantly Upgrade Any Bathroom
Size: 15.7", Color: Rustic Brown, Size: 15.7", Color: Rustic Brown
Beautiful, sturdy, and easy-to-install shelves that instantly make the bathroom look more organized and stylish. These floating shelves completely transformed the look of my bathroom. The wood color is rich and warm, and once installed, the shelves look much more expensive than they actually are. They add both decoration and practical storage without taking up extra space. Installation was straightforward, and everything aligned well. Once mounted, the shelves feel very sturdy. The toilet paper holder is especially useful, and the storage box has enough space for two rolls plus small decor pieces. The shelves also have great weight capacity. I added decor, candles, and a picture frame, and everything sits securely. They really elevate the room, giving it a cleaner and more put-together appearance. The set arrives packed well, and the finish has no scratches or flaws. For bathrooms, entryways, or small spaces, this set is an excellent choice. It’s functional, stylish, and adds instant charm to the room.
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Reviewed in the United States on December 12, 2025
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Nonniebugg
Bozeman, US
★★★★★ 5
would buy again
Size: 15.7", Color: Rustic Brown
I was very pleased with the look and quality. Easy installation and fits perfectly over the toilet. Uncluttered the area nicely.
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Reviewed in the United States on January 4, 2026
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Dani
Birmingham, US
★★★★★ 5
Good Quality for the Price
Size: 15.7", Color: Black
Surprisingly good quality for shelves made of particle board. They look nice and hold quite a bit of weight when installed properly. I ordered another shorter set of floating shelves from another seller on Amazon. Those shelves were of especially horrible quality when compared to these.
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Reviewed in the United States on December 20, 2025
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Lisa Boudreaux
Lake Worth, US
★★★★★ 4
CUTE
Size: 15.7", Color: Rustic Brown
Shelves are great.
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Reviewed in the United States on February 23, 2026

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