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zerorev3rev4

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About zerorev3rev4

  • Rank
    Advanced Member

Previous Fields

  • Bike
    zero rev3 rev4 cota

Profile Information

  • Location
    north yorks
  • Gender
    Male

Recent Profile Visitors

7,067 profile views
  1. Build up to the Scott

    1 dougy 2 Jack price 3 dabill
  2. Input shaft support bearing extraction

    Weld a bolt head in it then put a socket over thread and extract it
  3. Mikuni for Mont 200

    Fitted one from a 250 beta techno which worked well stock jetting
  4. 98’ 270 running issues when up to temp

    Will it keep running with choke?
  5. Sherco rear wheel fit evo,?

    Thanks
  6. Rev 3 poor running

  7. Rev 3 poor running

    Seem to think this water gallery across front of Crank case has been blocked off could this cause the problem. Case getting too hot?
  8. Sherco rear wheel fit evo,?

    Will a sherco 2013 "rear wheel fit a, 2014 evo
  9. Beta Rev-3 270 rough running? Petrol Info?

    Is it pinking on shutting throttle is there a vibration when rpm coming back down
  10. Rev 3 poor running

    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
  11. Rev 3 poor running

    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
  12. Rev 3 poor running

    Can see straight through silencer I did have it apart to check wadding which wasn't that old
  13. Rev 3 poor running

    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
  14. Rev 3 poor running

    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
  15. Rev 3 poor running

    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
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