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zerorev3rev4

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Everything posted by zerorev3rev4

  1. Weld a bolt head in it then put a socket over thread and extract it
  2. Fitted one from a 250 beta techno which worked well stock jetting
  3. Seem to think this water gallery across front of Crank case has been blocked off could this cause the problem. Case getting too hot?
  4. Will a sherco 2013 "rear wheel fit a, 2014 evo
  5. Is it pinking on shutting throttle is there a vibration when rpm coming back down
  6. Fan works as it should coolant level OK no loss or pressure build up fresh fuel tank n tap cleaned carbon on piston top is prob only after 3 to 4 gallon use so soon recarboned up fuel is standard not high octane but not from super market did try hi octane but wasn't much better if any
  7. Had 3 different carbs on it now but yes had that before with snow. Done a leak down test and holds 25 psi no signs of a leak
  8. Can see straight through silencer I did have it apart to check wadding which wasn't that old
  9. Can't visually see a fault with exhaust definitely not oiled up more on the dry side. Tried the new carb from other bike which runs very good and no difference
  10. As far as I know the head is standard I've had it 6/8 years id say it went like this gradually just wouldn't run right low down at a trial. Had 2 differnt carbs one brand new from 07 250 which I'd say is like a motocross bike in comparison swapping stator n cdi is all the loom involved with spark. I added a separate ground to coil and thought I'd fixed it but nope. On a cool day it could take half hour or more to occur on a hot day as today 10 mins
  11. Got a 2006 250 rev 3 with low use having trouble with an erratic running when warmed up pulls through gears fine but looses response just off tick over goes droggy n plenty pinking Almost like it's too rich but with pinking at same time to date I've changed Crank bearings and seals rings case gasket cylinder gasket new plugs of differnt heat range stator and cdi brand new and good used coil Inc lead n cap kill switch disconnected 2 carbs Reed block assembly flywheel new air filter tank drained tap cleaned out can't pick up on any air leaks spraying carb cleaner around it problem was there before rebuild n suspected Crank seal I am thinking it needs a crankcase pressure drop check. Just pulled head wondering if rod was bent piston comes up square but not level with cyl top ie 2 to 3mm lower is this normal
  12. Dabill wins this year's Scott trial
  13. You got piston slap mate check clearance an oversize piston could cure it
  14. one on ebay listed for mh123 i think
  15. simular to 307 and 310 never actually seen one but would snap one up if had chance make sure gears select OK most parts can be sourced even pistons engine same as 310 reed valve electronic motoplat ignition conventional forks Nicosil bore
  16. Try inline cable clutch lightener
  17. easy when we know how , hey ian .dont know why marks would slip though after 5/6 times
  18. Might be easier if you lads just send me yuour engine
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