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Old 06-01-2017, 08:01 PM
bigrigbri bigrigbri is offline
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Default Lifan 125 kart update.

I know it's been a while but I have done a fair bit since last year along with a lot of home projects.
http://s255.photobucket.com/user/big...tml?sort=3&o=4

http://s255.photobucket.com/user/big...tml?sort=3&o=1

http://s255.photobucket.com/user/big...tml?sort=3&o=0

More to come soon.
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Old 06-02-2017, 05:53 PM
bigrigbri bigrigbri is offline
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Here's a mock up of the twin exhausts.
http://s255.photobucket.com/user/big...tml?sort=3&o=5

I will use 4 mechanical disc calipers so I have utilised a balance beam arrangement to ensure a consistent left right brake force.
http://s255.photobucket.com/user/big...tml?sort=3&o=0

My son wanted a horn and lights so for the lights I bought a pair of these from eBay for 4.99.
http://s255.photobucket.com/user/big...tml?sort=3&o=4
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Old 06-02-2017, 06:13 PM
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Suspension is almost like a cantilever setup but not quite. Wouldn't that be too soft or will it be more verticle mounted?
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Old 06-02-2017, 09:00 PM
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Suspension as in the front, well I tested it fully loaded with him on engine in mount and all and had about 10% sag. The suspension units are mountain bike jobbies from eBay(9 each) with actual oil damping and are 270lb/in units with adjustable holes in the a arm and frame to get the best rate available.
The rears are simular units with 570lb/in rate.
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Old 07-01-2017, 10:22 AM
bigrigbri bigrigbri is offline
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A few more hours in the workshop. I need it done as my son is growing faster than the frame allows!




Just a matter of wiring the electrics, mount fuel tank and rad and we will be nearly there.
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Old 07-03-2017, 07:29 PM
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Im curious how much do you have in that engine? Ive seen them for sale but always seem like they are incomplete and haven't really looked into it.

Yours looks really cool.
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Old 07-04-2017, 04:14 PM
bigrigbri bigrigbri is offline
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Hi Kansaskart I bought the engine from a local bike breakers that wanted it gone as they didn't do Chinese stuff. Got it for 50 with Rad part, some of the loom and charging rectifier. I bought a pit bike cdi unit a used oem carb and a used oem starter motor for it.
Some redneck had the side casings off so see if they could sort the gear change barrel spring out and damaged the casing faces so it was as oil tight as a sieve. Sorted all that out and had it bench running and was sweet. Bonus on this model engine is that it comes with a gear selection indicator .
I bought a generic gear readout from evil bay and incorperated it into the little dash unit I made for this kart .
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Old 07-04-2017, 04:47 PM
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So about $65 USD, not bad considering those run north of $300 or so.
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Old 07-04-2017, 05:19 PM
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Oh didn't know these motors were imported to the states. In its original bike form the engine was out of a Lifan Samurai.
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Old 10-28-2017, 01:50 PM
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Got it fired up and running on my mom's back yard on Sept 1st. Here is a recent vid with my son driving cautiously getting out of 1st for the first time going up to 3rd and getting real muddy doing so.
https://youtu.be/M1uJg7iy56o
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