Freshman Rider
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Joined: Mar 29, 2013 21:12:12 GMT -5
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Post by rollbar57 on Apr 13, 2013 16:02:33 GMT -5
I got a friend who bought a mojo 50 cc from rapid repair jim great trike but he needs it to got faster looses allot of power going up hills any suggestions hes retired doest have allot of $$ otherwise he loves his trike thanks it has a139qmb motor
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Post by triker on Apr 13, 2013 17:36:25 GMT -5
These trikes have a weight disadvantage. They weigh in at almost 300 pounds. Even with a 72cc it will top out at about 38-42mph on level road but will loses about 10-15mph up hill. Do you know what size engine is in it now?(Mine came with a 72cc engine.) Does it drop down to say 5-6k rpm up hill?
Lighter rollers, (I have 6 gram sliders in mine, it came with 8 gram rollers) and a stronger spring will help on the hills. You can gear it lower, ( don't know what gears are in mine) but will lose top speed. A free flow air filter and exhaust will help, but you will need a bigger main jet in the carburetor. But ultimately the only way to get more uphill speed out of one of these fiddy trikes is a bigger engine.
Roy
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Post by alleyoop on Apr 13, 2013 17:48:44 GMT -5
To not spend a lot of money get lighter rollers or Sliders, like ROY said. What that will do is require more RPMS to get to the same speeds he is currently pulling. But that will keep the POWER up going up a hill and not slow it down so much due to the weight.
Alleyoop
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Freshman Rider
Currently Offline
Posts: 85
Likes: 3
Joined: Mar 29, 2013 21:12:12 GMT -5
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Post by rollbar57 on Apr 13, 2013 18:25:08 GMT -5
Chinese 50 cc 139 qmb motor
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..BAD TO THE BONE..