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Old 01-19-2016, 01:56 AM
TheNecromancer13 TheNecromancer13 is offline
Motorized Bicycle Elite Member
Join Date: Jan 2015
Location: Portland, Oregon
Posts: 239
Default Re: 4 stroke vs two stroke

Originally Posted by Venice Motor Bikes View Post
The 2-stroke engines are inexpensive, fast, tons of fun & there are tons of after market parts for them!
There are plenty of experienced builders here (like me) who love them & ride them all the time with very few problems, but newbies usually have a lot of trouble with them.
It really pays to NOT buy the cheapest kit you can find & do some research & spend the extra money buying from a respected vendor who will actually help you when you have problems with it.

The 49cc 4-stroke engines tend to be extremely reliable but they're more expensive, slower & don't have any after market parts to make them faster.
The most reported problems people have with them is the centrifugal clutch & the jack shaft systems... I've found the 7G belt drives to be more reliable than all the others if you know how to give them a little extra attention when assembling them. (These are what I recommend to anyone who's looking for cheap & reliable daily transportation)!

The HF 'Predator' 4-strokes are powerful, reliable, fast & fun with tons of after market parts available, but they're a lot more difficult & expensive to build properly!

That's my 2-cents.
That sums it up quite nicely.
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