Hey I’m new to motorized bikes is there a good 100cc or 80cc motor that I can go 35 mph to 45 mph I’m 130 ponds

GoldenMotor.com

Dias123

New Member
Sep 25, 2021
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I’m just looking to see if there’s a motor I can get that go’s that’s speed and stuff
 

Gypsybikes

New Member
Jul 17, 2022
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I have a 80cc on my 26" beach cruiser and I weight in at 196 pounds. I have been clocked by radar at 42 mph in a 35 zone.
 

Oldbiscuit

Well-Known Member
Oct 3, 2020
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Everyone wants to go fast, just remember most bicycles (wheels, tires, bearings and brakes) are not designed or built for speed. Adding the extra weight of the engine and fuel, plus some of the frame modifications some have done to fit their engines also adds to the problems. Just my 2cents for what it’s worth.
 

Sidewinder Jerry

Well-Known Member
Dec 19, 2011
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Rockwood, TN
What's more important than going fast is Stopping. If you're wanting to go really fast; then you need disc brakes. You need a frame and wheels capable of handling high speeds.

Other factors are:
Total weight
Terrain
Rider frame fit
Aerodynamics
Engine performance.

What all this means is if you're tall and thin, a frame can fit an engine and still be the correct fit for your body. A short light person using a frame that fits their body may not have enough room to fit an engine in it. Frame size has nothing to do with wheel size. Frame size is also important when it comes to aerodynamics. You'll be able to tripod further down towards the handlebars in order to cut down on wind resistance.

If you're a flat lander, use a 32t rear sprocket; these are the rpm your 2 stroke engine will have to do according to wheel size to reach 45 mph. This is where engine mods to improve performance will come in.

24" >> 8269

26" >> 7634 rpm

27.5" >> 7217 rpm

29" >> 6844 rpm
 
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Testname111

Active Member
May 20, 2021
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I recommend, as they have good quality control...
There engines:

Engine I recommend (my daily runner for a while)
 

Testname111

Active Member
May 20, 2021
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Ehh I put over 200 miles easy on a BBR engine winter and Sumner, it literally kept me from being homeless...<3
Plus they in Florida with at least American quality control... Js