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m1tch
Joined: 25 Jul 2011
Posts: 296
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 Posted: Mon Apr 16, 2012 5:05 pm Post subject: Lifan gearbox engine class? |
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Hi all,
Just a quick question on this, when I was looking around for my minibike there are loads of pitbikes with 90cc-160cc engines with LOADS of tuning parts (much like the GX160 and GX200 engines) difference being that they are gearbox engines for bikes but are still compact 4 strokes, power for a 90cc engine starts from 5bhp, standard power on a 160cc engine with big valves is around 17bhp.
I was just wondering if there was a class to race these as a gearbox class as in:
High end class - Rotax Max
Budget class - GX160/200 open
High end class - 125/superkart gearbox class
Budget class - Lifan 4 stroke?
I was just wondering as it would be pretty cool as the next step up from say a GX200 open to upgrade to gearbox class would be something like this engine as an equivilent.
A new piston and full ring set it £24 etc and you can get complete 'bore up' kits as you just need to change the piston and barrel for more power (if needed)
I just wanted to see if anyone had considered fitting one to a kart as a further upgrade for a 4 stroke engine. |
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davev8
Joined: 02 May 2012
Posts: 9
Location: skegness UK
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| Posted: Wed Jun 06, 2012 5:21 pm Post subject: |
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yes i am planing to fit a lifan 150 as a winter project on a cheap frame from ebay ...will only be going to the local track for practice/fun ..decided on the 150 as the 160 has a long stroke and i decided on the lifan as honda has owned them for the last two years so QC is better now than the other china pit bike engines ...but i think the YX engine has more tuning goody's
Was going to go with a proper clutch instead of the centrifugal one as a biker friend of mine say i will change gear faster |
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