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  1. roost

    best 50 of the month comp- poll

    does any one reckon miniriders should start a best 50 of the month( mini of the month )comp or poll
  2. roost

    finished LIFAN build (well sort of)

    hi all, just finished engine biuld up on a so called lifan 138cc now its a 143cc heres a list of things i have done:55.50x 59.5o 55.50mm high dome teflon coated piston (pin top to dome top is 7mm higher) 4mm off set crank pin( took some work to get it to fit) 4mm stroker plate new piston...
  3. roost

    moveing C clip on mikuni carb?

    hi, can anyone tell me if moving the C clip on the thottle piston down richens or leans it out?
  4. roost

    inner rotor kit technical question

    hi, when installing inner rotor kit is it necessary to lighten oil slinger so engine is still in balance
  5. roost

    inner rotor kit will it fit Lifan125

    hi, does anyone know if you can fit inner rotor kit to lifan 125(not 120) ? as i have been told you can,t
  6. roost

    valve clearance?

    hi, does anyone know the valve clearances for Lifan 125 big valve and any links to detailed instuctions on pit bike valve clearance setting as i am a motor mechanic(car, truck) and have never realy played with moto cycle internals. Not quite sure about how get valves at TDC is there marks on...
  7. roost

    4 up shift drum for Lifan 125 big valve?

    hi, does anyone know if you can fit a 4 up shift drum to my Lifan 125 and where i can get one, as i have heard they make gaerbox stronger , thanks
  8. roost

    whats the best oil

    hi, just wondering what the best oil to run in my lifan 125 semi synthetic or fully synthetic race oil , 20w 50 or 10w or 5w. Everyone seems to say something differant, will fully synthetic race oil harm my bike?
  9. roost

    At Last Build Up Finished

    Hi, Just finished build up. Thought I would post some pics. Mods so far: brace frame 8mm plate on top 4mm angle on bottom checker plate on subframe, Lifan 125 big valve engine, 26mm Mikuni carby, drop manifold and manifold spinner, finer filter, oil cooler, 428 pitch chain and sprockets...
  10. roost

    lifan 125 engine problem need help

    HI, just purchased lifan 125 engine(1P54FMI) and have big problem the front sprocket has different pitch to most pit bikes(thumpstar ,pitboss, orion, provert ,atomic ,ect.), and i can not change sprocket as it has different size output shaft(larger) than bikes above. I think most pit bikes have...
  11. roost

    were can i get cheap new seat?

    hi, does any one know were i can get a cheap tall boy seat( high seat) from?
  12. roost

    Ducar 11.4hp True- False

    hi, just wondering if the claimed 8.5kw(11.4hp)@9500rpm from DUCAR engine in new detonator is true as 9500rpm sounds a bit steep(do they even rev that hard) and 11.4hp out of a stock engine , if this is true they make more hp than say a LIFAN 120(2.4HP MORE)...
  13. roost

    is this a big valve lifan 125

    hi is this a big valve lifan it makes 6.5kw , as i want to replace my ducar and can the lifan 120 big valve engines be bored out and are internals available...
  14. roost

    28mm flat slide carby what do you think?

    hi,just wondering what anyone thinks about this carby it is a 28mm Keihin flat slide http://cgi.ebay.com.au/ws/eBayISAPI.dll?ViewItem&item=8068865338&rd=1&sspagename=STRK%3AMEWA%3AIT&rd=1e
  15. roost

    orion valve clearance

    hi,can anyone tell me the valve clearances of my orion pro sieres 125? :)
  16. roost

    ORION 125 TIMING

    Hey, does anyone know whether you can change timing on orion 125 as you can on Xr CRF 50 by elongating the holes on timing censor? :?
  17. roost

    nitrous on orion 125

    hi,has anyone tryed nitrous on there orion 125 and does anyone know if the 49cc nos kit would fit? :D
  18. roost

    Removing battery from Orion pro series

    hi,im new to this i have an orion pro series 125,iam just wondering if i can remove battery as i dont use electric start and to reduce weight and so i can run catch can? Any help would be great(it is the non double spar frame 05 model) it has a few mods usd forks unifilter ported...
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