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-   -   bore kit for 125cc (https://www.pitbikeclub.co.uk/showthread.php?t=27075)

liamisace123 06-06-2009 08:45 PM

bore kit for 125cc
 
hi were can i get a bore kit for a 125cc lifan engine and does it make it 138cc ?? thanks

dj asbo 06-06-2009 09:13 PM

Re: bore kit for 125cc
 
ive got a lifan 140 bore and piston of dr pepper and he sead it will fit straight onto a lifan 125 botom end im after £25 posted

physco_nutcase_danny 06-06-2009 09:45 PM

Re: bore kit for 125cc
 
Quote:

Originally Posted by dj asbo (Post 301981)
ive got a lifan 140 bore and piston of dr pepper and he sead it will fit straight onto a lifan 125 botom end im after £25 posted

depends on which bottom end you have....if you have the bottom end where the clutch is attached directly to the crank then the 140 kit wont fit as the little end is too small for the piston.the barrell and head is a straight fit though.so the only way round it is to get a 140 conrod kit pressed onto your 125 crank.you cant replace the 125 crank for a complete 140 crank as it wont fit.the 140 crank is for the gearbox where the clutch is attached via a primary gear.not directly to the crank.:thumbs:

dj asbo 06-06-2009 09:55 PM

Re: bore kit for 125cc
 
Quote:

Originally Posted by physco_nutcase_danny (Post 302011)
depends on which bottom end you have....if you have the bottom end where the clutch is attached directly to the crank then the 140 kit wont fit as the little end is too small for the piston.the barrell and head is a straight fit though.so the only way round it is to get a 140 conrod kit pressed onto your 125 crank.you cant replace the 125 crank for a complete 140 crank as it wont fit.the 140 crank is for the gearbox where the clutch is attached via a primary gear.not directly to the crank.:thumbs:


when i baught it of dr pepper he told me it would fit straight onto a lifan 125 botom end

dj asbo 06-06-2009 09:58 PM

Re: bore kit for 125cc
 
hear is the link to prove it http://www.pitbikeclub.co.uk/showthread.php?t=21061

themountain 06-06-2009 10:05 PM

Re: bore kit for 125cc
 
Quote:

Originally Posted by dj asbo (Post 302017)

:phe said "he has been told"...doesn`t mean its actually true, does it??

No it won`t fit an 125cc lifan...the barrel is 82mm and the piston got a 15mm pistonpin;)

dj asbo 06-06-2009 10:07 PM

Re: bore kit for 125cc
 
oright nice to find out now so i got riped off by dr pepper then grate:mad:

themountain 06-06-2009 10:29 PM

Re: bore kit for 125cc
 
if this is for a genuine 140 lifan then yes:thumbs:

liamisace123 06-06-2009 10:31 PM

Re: bore kit for 125cc
 
so were could i get one that fits straight onto a 125 :confused:

themountain 06-06-2009 11:02 PM

Re: bore kit for 125cc
 
Quote:

Originally Posted by liamisace123 (Post 302037)
so were could i get one that fits straight onto a 125 :confused:

get your barrel bored out to 56mm and get a HC piston at ooracing:thumbs:


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