pedal bike with engine 79cc Monster 80 Bike Engine Kit
SKU: 83969298490
pedal bike with engine

pedal bike with engine 79cc Monster 80 Bike Engine Kit

Sale price$25.29 Regular price$28.10
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Ships within 48 hours · Estimated delivery Jun 29 - Jul 4

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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: 83969298490

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Sean
Natrona Heights, US
★★★★★ 4
I recommend using the KONG Extreme Dog Toy
Style: Sport, Size: Large
Helpful for throwing as much as my dog wants to fetch. I actually had to get a cortisone injection in my shoulder a few months after getting my dog - never had a dog with this much energy before! The Chuckit really helps. Downside: The ball that comes with it is larger than a tennis ball, so may be too much for smaller doge. I can't imagine my sister-in-law's french bulldog carrying it! Also, in our house it gets destroyed within minutes, as my dog is a strong chewer. For this situation, I recommend using the KONG Extreme Dog Toy, Black, size Large. This is shaped sort of like a snowman, which means it bounces unpredictably at times. My dog eventually chews the "head" off of this toy, but the remaining 2/3 still fits in the Chuckit (and is actually easier to throw with the "head" missing!). One caveat: the KONG is significantly heavier than the ball included with the Chuckit, so be aware of that... Also, we ordered our first Chickit in October 2015, then needed to replace it in May of 2017, as it broke. I think the plastic became brittle over that time, as we left it out in the sun & rain in Florida. Since it is cheap to replace, that's not a big deal. (We ordered three Kong toys over that same period of time!) To summarize, it's a very helpful tool to get the ball further, faster, with less strain, than without it. Knowing there are alternatives to the included ball for heavy chewers makes it worthwhile.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 19, 2017
D
Verified Purchase
DesertRoads
Massapequa, US
★★★★★ 5
Great Ball Launcher!
Style: Sport, Size: Large
Our dogs love this ball launcher! I can throw the ball long distances without any arm strain. The balls wear out, and as described by others, tennis balls don’t fit. Buy extra balls if this is of concern. We bought a few of the “Chuck It” rubber 3” balls and they have worked well for our dogs. It’s a great value and fun for the dogs.
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Reviewed in the United States on March 28, 2025
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Verified Purchase
Cheri Who
Fort Morgan, US
★★★★★ 5
Chuckit!! Just Chuck it!!
Style: Sport, Size: Large
Chuck it further than your skinny little arms can chuck it. Doggo loved this, I loved this and when we were done Doggo promptly hid it under the porch so I couldn’t take it from him. It’s not a squeaky toy, it’s for fetch. You wing it out toward the yard and it flies, bounces if it’s lucky then is attacked in an adoring manner. We like it!!
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Reviewed in the United States on May 31, 2026
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Don L. III
New York, US
★★★★★ 5
Great to exercise the dogs!
Style: Sport, Size: Large
Great to throw 3” KONG Ball (RED) with hole thru it! The thrower is the best to exercise dogs with retrieving balls!
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Reviewed in the United States on May 6, 2026
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A
Pawtucket, US
★★★★★ 5
Larger and stick well
It's hard to find larger patches particularly ones that stick well. They work well for small, shallow wounds and stay on even where skin moves a lot like on the brows or shoulder. Also because of the tapered edges, they are not very noticeable. I've never had any luck wearing makeup over any patches these included and suspect makeup works better over 8m ones, but I have managed to dot a little concealer over eyeshadow primer in the center of these patches with some success.
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Reviewed in the United States on October 2, 2023

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