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  1. U

    no spark !!!!!!!!!!!!

    ho ho not another problem!!!!!!!! I can take it anymore!!!! I do turn it up…and it worked great on idle and suddenly dead at once! on the bike I have denso COP and ignitech ignition unit - its a 1985 vmax (twin pickups) 1. I have no spark at any of the coils (I put a new plug...
  2. U

    v-boost problem

    Hello all I have a suspicion the vboost not working I cannot feel that typical kick after 6K rpm…. I can say that: 1. At start the v-boost engine do make the self-test 2. I have no air box so I can see that the cable make a full way of movement and open the valve...
  3. U

    Serial number of middle gear – over the years

    Hello all, I want to change my leaking middle gear unit from my 85 vmax A friend send me a complete middle gear in a good condition The Yamaha books show the serial number of the MIDDLE GEAR COMP. is different 85-95 is - 26H-W1751-00-00 96-2007 is - 26H-W1751-01-00 The 2003...
  4. U

    Fuel sender with changing Resistance ?

    Hello all There is any chance to find a vmax fuel sender with changing resistance ? I need 0 – 90 ohms – and not interested to drill a holes in the tank… the idea is to replace the stock one in the same position and hole I know that’s is long shout…... but still – in this forum...
  5. U

    fuel pump issue

    Hello all I guess owning two vmax’s that mean more posts LOL The issue with the fuel pump on my 85– its seems to have no fuel from the pump when the bike is with a full tank of fuel I tried to read other posts but its won’t help I can tell that: I checked the Fuel pump...
  6. U

    ENGINE BREATHER OIL with COLLECTOR

    Hi all For those of you that using separated air filters – what did you do with the breather ? I am using a small coin air filter – but after some time the steams of the oil make a sticky mass around it (no much… but still) I saw on ebay that EBOC – a ENGINE BREATHER OIL with...
  7. U

    Vmax 1700 brakes

    Hello all I own a 85 vmax with a R1 2003 USD frontend and calipers. Lately, i got some front master cylinder form vmax1700. My qestion- it is possible to have a bracket to the R1 2003 frontend to the 6 piston clipers from the 1700? *i know that i will need new discks 320mm.
  8. U

    coolant leaking from that hole in head

    Hello all I need your help here! I have a coolant leaking from that hole from that locate on the cylinder. That hole is located inside the middle of the aluminum line (the are three line of aluminum on the head) What is that mean? I got this bike a month ago from USA so I only drive on it...
  9. U

    Oil adapter for early models

    opss... mistake how to delete the post?
  10. U

    middle gear drive leaking

    Hello all I have an oil leak on my 85 vmax The leak is from the big rubber that connect the rear arm to the engine So I believe that the problem is a bad oil seal in the middle gear drive My question is – it is difficult to fix it ? I know that I will not have to take out...
  11. U

    Wired compression test

    Wired compression test Hello all, I a few days ago I got my new vmax from USA This is a 1985 vmax with 18,800 miles I perform a compassion test and got reading that I do not understand: The two rear cylinder (number 1 and 3) had both a 196 psi while the front cylinders (2 and 4...
  12. U

    do 85 V-Boost tubes is 30mm while 1986 and above is 32mm?

    I heard that VMAX'S of year 85 have V-Boost tubes is 30mm while 1986 and above have 32mm? This true? What is the meaning of that ? less power? More power? In this days I am importing a 85VMAX from USA… so if I need to fix something… now is the right time J
  13. U

    Did someone see a VMAX with RC WIDOW rims?

    Hello friends I thinking to change my stock rims I saw the RC COMPONANTS site and I just loved the “widow” style :punk: I crises crossed all the NET and did not find any photo of vmax with it :bang head: A photo on a vmax can help me a lot Any ideas?:ummm:
  14. U

    want to buy a set of rims -which brands available ?

    Hello all I want to buy a set of rims to my vmax -which brands available (in the USA)? I am thinking about: Front – 17” for tire 120/70 – I think it’s a 3.5” rim Rear rim (I am planning to buy sean morlys 3” extended swingarm) so I can go to 190 . so I am thinking about 6” (+\-) rims… did...
  15. U

    another vmax :)

    I am thinking to buy a 1985 vmax. I understand that till 1990 the vmax dont came with electronic ignision. My question is : It is possible to modify it to an electrical ingnision? If so, its a dificalte procces or easy one? Thnaks Uri
  16. U

    lack of fuel? K&n filters

    Lack of fuel? I ordered and install the k&n filters (four coins for a vmax without the air box) – and ride it to a long trip so the engine was worm and everything….. In idle RPM everything sound good, but when I ride it in the range of 4000 rpm I felt that the engine choking and not working...
  17. U

    What is the best oil for ouer max – semi or full syntetic?

    What is the best oil for ouer max – semi or full syntetic? I using a MOTUL V300 15/50 FULL SYNTETIC I heard that full synthetic can lead to Leaks because Syn oil finds it's way out easier than conventional' also can cause a clutch sliping What do you think ?
  18. U

    period of changing full syntetic oil

    Hello I usrally change oil + filter evrey one a year / 6000 km – what came first Now I am using a motul 15/50 V300 full syntetic oil If I am using a hige quality oil like this oil , do I still need to change it evrye 6000 km? Thanks Uri
  19. U

    ventur drive shaft bar and changing the arm

    Two years ago i installed a venture driveshaft (pumpkin) I remember that when i got the parts i saw that the drive shaft bar of the venture was longer comper to my vmax original one...about one inch. Now i wanna order a longer swing arm from Tom from cycle one off and this is the isiuu: Tom...
  20. U

    very high temperature regulator

    Hello all I needed to replace my old (original )Regulator We did not find any new original vmax part – but the garage suggest that I can have a Regulator of Suzuki instead The man from the garage say that this regulator I also about 30 AMP and it has a very good quality – Just to note...
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