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  1. S

    Boost servo no initial movement

    Thanks. I will look into controller guts! Familiarisation into carbs is ongoing [emoji41] Sent from my F8331 using Tapatalk
  2. S

    Boost servo no initial movement

    Did some reading.. No vacuum for boost obviously :D I have done quite a lot of stuff to my bike but carburators and boost is completely new thing with this bike. Sorry about misinformation :/ Sent from my F8331 using Tapatalk
  3. S

    Boost servo no initial movement

    Hi. When i turn ignition on from key, my boost servo don't do initial check, open/close. However, when motor running and revs are around 6000 the servo motor pulls boost open.?? I have measured +- cable's and when ignition on, there is no voltage coming from boost control unit. The thing is...
  4. S

    Won't Rev to Redline???

    I have exactly these same synthoms! I was sure that it's ignition or air issue..gonna try the shotgun tomorrow. Thanks☺ Mikko / Vmax1988
  5. S

    Boost missing?

    I think that i go for new board, if that's the prob. First i want to do some more detail investigation on boost wires etc.anyway Mikko / Vmax1988
  6. S

    Boost missing?

    Went yesterday for a testdrive, and suprise..boost is back!..so electrical connection is loose, or can the control board act like this before will be fried ? Mikko / Vmax1988
  7. S

    Stock exhaust structure ?

    Btw..are the inner tubes welded only from both end's of the head pipes..? Or some other way.. im planning to take exhaust off soon and try to repair the rattle sound Is it doable ??
  8. S

    Brake disks

    Bought new rotors, still no eaven brakes, but better than previos ones. I can "live"with these brakes for now.. maybe look into it again later when i find the inspiration again Lähetetty minun GT-I9506 laitteesta Tapatalkilla
  9. S

    This Vboost PC board repairable?

    Hi. Can you post link where to buy ignitech. Thanks [emoji4] Lähetetty minun GT-I9506 laitteesta Tapatalkilla
  10. S

    Boost missing?

    Havent notice that before either..only sound from gaspump..ok, i try to figure out is there sound from boost valves and go from there Lähetetty minun GT-I9506 laitteesta Tapatalkilla
  11. S

    Boost missing?

    Not sure what cycle you mean? Rev gauge? Lähetetty minun GT-I9506 laitteesta Tapatalkilla
  12. S

    Boost missing?

    My year 88 full power max have lost boost. What are most common issues with boost malfunction? Boost relay? Electrical fault ? Any clues to start troubleshooting wery much appreciated [emoji57] Lähetetty minun GT-I9506 laitteesta Tapatalkilla
  13. S

    Stock exhaust structure ?

    Thanks for info guys [emoji3] Lähetetty minun GT-I9506 laitteesta Tapatalkilla
  14. S

    Stock exhaust structure ?

    Is it double all the way until silencers ? Lähetetty minun GT-I9506 laitteesta Tapatalkilla
  15. S

    Stock exhaust structure ?

    Hi. I have some stange noise comming from..somewhere outside the engine, i think and hope so anyway.! Someone told me that vmax stock pipes are double layer, and in old bikes inner layer can come off/loose and cause "glinging" noise. Is this a fact?? It would be great to have fault in...
  16. S

    Abnormal engine sound

    Yeah, I'm quite sure that the noise is from chain. Is the tensioner in gen1 automatic? Is the way i described earlier good way to increse tension on chainn ?
  17. S

    Abnormal engine sound

    Good idea. I have located that the sound is coming from back cylinders. Maybe the camshaft chain tensioner is worn out? Is it an automatic tenssioner? Can i just open it up, push it in one notch, or should i replase whole tensioner or just the spring?
  18. S

    Abnormal engine sound

    1988 full power vmax. When driving there is metallic symmetric sound coming from engine..lower parts maybe, after stop, engine at idle, the sound fades away after a while. Its same in any gear and dosent seems to come from cylinder blocks..even the sound is little bit like valve clicking, but...
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