pedal bike with engine GasBike Racer Chain Drive Motorized Bicycle – Kingsmotorbikes.com
SKU: 22066711953
pedal bike with engine

pedal bike with engine GasBike Racer Chain Drive Motorized Bicycle – Kingsmotorbikes.com

Sale price$21.75 Regular price$24.17
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  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 4 - Jul 9

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Description

pedal bike with engine GasBike Racer Chain Drive Motorized Bicycle – Kingsmotorbikes.comGasBike Racer Chain Drive Motorized Bicycle with HuaSheng 49cc 4 Stroke Engine NOTE: ASSEMBLY REQUIRED. WE CAN ONLY SHIP THIS WITH UPS OR FEDEX GROUND. WE CANNOT SHIP THIS EXPEDITED. THIS COMES IN 2 PACKAGES. IN MOST CASES, THE ENGINE KIT WILL BE DELIVERED FIRST, THEN THE BICYCLE THE NEXT DAY OR TWO. GasBike Racer Chain Drive Kit with HuaSheng 49cc 4 Stroke Engine This kit features a 49cc HuaSheng motor with Clutch Flyweight for 5 8 Tapered Shaft,

GasBike Racer Chain Drive Motorized Bicycle with HuaSheng 49cc 4-Stroke Engine

NOTE: ASSEMBLY REQUIRED. WE CAN ONLY SHIP THIS WITH UPS OR FEDEX GROUND. WE CANNOT SHIP THIS EXPEDITED.

THIS COMES IN 2 PACKAGES. IN MOST CASES, THE ENGINE KIT WILL BE DELIVERED FIRST, THEN THE BICYCLE THE NEXT DAY OR TWO.

 

GasBike Racer Chain Drive Kit with HuaSheng 49cc 4-Stroke Engine

This kit features a 49cc HuaSheng motor with Clutch Flyweight for 5/8 Tapered Shaft, using a chain drive single speed transmission. This kit includes a 2 piece wide crank kit, if the bike has a 1 piece crankset a conversion bottom bracket will need to be used.

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 4-Stroke Motorized Bicycle Kit includes:

  • 26" Men's Hyper Cruiser Bike
  • HuaSheng 49cc with Centrifugal Clutch Engine (4-Stroke)
  • Chain Drive Centrifugal Clutch Transmission with 10 Tooth Sprocket
  • 2.5 L Gas Tank
  • Gasoline Tank Switch (AL)
  • Fuel Line #2
  • Fuel Filter
  • Improved Wide Pedal Crank
  • 44 Tooth Sprocket
  • Pineapple Bushing
  • Accelerograph Throttle Handle
  • Throttle Cable 50"
  • Mounting Plate
  • 415 Heavy Duty Chain
  • Idler Pulley Chain Tensioner
  • Chain Guard
  • Bottom Bracket Conversion Kit



MOTOR SPECS:

  • No load RPM: 8500 Cooling: Forced Air
  • Displacement bore & stroke: 41.8 x 35.8
  • Power: 1.2KW @6800 rpm
  • Torque: 2.0Nm @4500 rpm
  • Engine net weight: 5.2 kg
  • Length x width x height: 247 mm x 225 mm x 335 mm
  • PTO shaft rotation: CCW centrifugal clutch
  • Crankcase oil change: 50 hours after change, first at 10 hours operation
  • Rear mount engine has closed loop fuel system. V-Frame mount does not

 

 


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: 22066711953

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4.7 ★★★★★
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Verified Purchase
Sasa Li
Fort Morgan, US
★★★★★ 5
Good muse easy to hold
Color: Blue, Style: 1-Pack
Very good design, easy to hold mouse movements is very smooth
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 22, 2026
B
Verified Purchase
Bill
Massapequa, US
★★★★★ 5
Fantastic keyboard
I did a lot of research before choosing this keyboard, and man am I glad I got it! The split is great, very comfortable. The arch is minimal, but it does the job. I also really like this scissor-switch technology, no more backspacing to fix a key that didn't register the first time! The built-in wrist rest is also really nice. I type a lot for work, and at a rate of 55 WPM. The keyboard gives just the right amount of feedback, and the keys are not mushy at all. It's also a very good looking keyboard, and is very responsive. I have heard some people mention (not just on this keyboard) that they have some lag/delay with their typing. I would bet the farm that they have plugged the receiver into a USB hub. If you're going to do that, then get yourself a USB extension cable, because the hub will cause interference with ANY wireless dongle you plug into it. Just a foot or so of distance from the hub will alleviate that. I found that out with my prior Logitech keyboard, after lots of searching around for what the cause could be. The ONLY thing I would improve is fairly minor: It does not have dedicated keys for Page Up/Down, Home, or End. You need to hold down the function key and use the corresponding arrow key for those functions. Not even remotely a deal breaker, this keyboard is fantastic in every other aspect.
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Reviewed in the United States on November 22, 2025
S
Verified Purchase
Sofia
Phoenix, US
★★★★★ 5
Great Keyboard & Excellent Customer Service
I’ve been using this keyboard for almost 3 years and it has worked great for me the entire time. Comfortable, reliable, and perfect for long hours of work. The customer service was also great — very responsive, helpful, and professional throughout the process. Very happy with the product overall and would definitely recommend it.
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Reviewed in the United States on May 9, 2026
A
Verified Purchase
Amazon Customer
Birmingham, US
★★★★★ 5
Soft keyboards ( updated)
The keys fell off very easily after only 2.5 months of use. It is a nice and smooth keyboard. I like it, but it didn't last even 3 months. I am trying to get it repaired by them since it was so recent that I got it- I will update this review later once I hear from the manufacturer. This is an update to my original post. I am extremely impressed with the quality of customer service and how fast they addressed my concerns regarding the product and they honestly back up their product. Not only did they respond fast, but they also replace my keyboard. Not just fix it, replaced the whole thing and it is also backed by their manufacturer warranty. I’m so happy and love that I get to have my keyboard back to use for hopefully a lot longer this time. It truly is a comfort keyboard and I love how smooth the keys feel when typing for long periods of time. Thanks guys for the prompt response! Today 3/27/2026 I received my brand new keyboard to replaced the one with the broken keys and I’m so happy to it back again and fully working thanks guys for the great customer service. Truly appreciate it.
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Reviewed in the United States on March 24, 2026
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Verified Purchase
Christy
Alexandria, US
★★★★★ 5
Great keyboard at the right price
I bought this to replace my old Logi Ergo K860. I like the idea of curved keyboard. But the distance between my left and right hands on Ergo K860 was bothering me ever since I bought it 5 years ago. I would say I never got used to it. The Ergo started to act up one day with one key F not working properly. I tried to fix it and considered getting another one, then I saw this keyboard with a much better price. So I took the chance and went with this cheaper option. I like this one better than Ergo for the following reason: 1. The layout is more comfortable. Yes, it took me a while to get used to it like I would with any keyboard. I don't have to twist my wrists to reach any keys. 2. Keys are not too loud. It's not going to silent, but better than Ergo. 3. Battery life is great. I make a living by typing my keyboard. I only charged this keyboard once so far (4 months). 4. The price is great for what I got.
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Reviewed in the United States on September 7, 2025

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