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  1. 2

    right spark plugs for a Vmax??

    I have a 2000 yamaha Vmax 150 hp. The manual says to use a NGK BR7HS-10. I purchased the Autolite brand #4902 which is supposed to be the same as the NGK, less the resistor. My questions is...Does anyone know if different brands of plugs really make any noticeable performance differences? Do i...
  2. 2

    uncupped to a cupped prop

    I have a 2001 Yamaha Vmax 150 hp with a 14 1/2'x17p uncupped prop. Im looking at moving into a cupped stainless steel 17p. Just by going to a cupped prop will that decrease my RPM's slightly? The thing is now im running on the upper limits of my engine rpm's and sometimes over. I believe im...
  3. 2

    1999 Yamaha Vmax- good or bad???

    Im looking at buying a 1999 yamaha Vmax OX 66 200 hp from a private party. Does anyone know or heard of any problems particular to that year motor. Also im trying to look that motor up on nadaguides.com and im unsure of the exact model number. Does anyone know where to find that number besides...
  4. 2

    serial#'s..what do they mean????

    I have a 2000 Yamaha 150hp Vmax OX66 with the serial number of VX150TLRY. What do the last 4 letters stand for?? Im trying to figure out the shaft length.<br />Jason
  5. 2

    Need Prop help!!

    I have a 2000 Yamaha V-Max 150 hp engine currently with a 14 1/2x17'' alum prop. Im looking at going to a stainless steel prop. There are so many different brands i dont know which will work for me. Ive looked at Rapture, Ballistic, Stiletto, Turbo, etc. Im looking to spend around $300-$400. I...
  6. 2

    Used Yamaha Motors??

    Ive been looking on the internet for used or refurbished Yamaha V-max motors around the 150-200hp range. Anyone know any good sites? Thanks in advance.
  7. 2

    Low oil alarm????

    I have a 2000 Yamaha 150 HP V-Max. The first few times i started it this year the low oil alarm sounded for a short period of time. (just bought it, first time using it this year) Now it never sounds although the low oil light does come on the first few moments after the engine starts. Is the...
  8. 2

    low oil alarm on Yamaha OB

    I recently purchased a 2000 Yamaha 150 V-max OB. The first few times (right out of storage)i started it hooked to a garden hose the low oil alarm sounded when i turned the key but went off right away after the motor started. This i believe is normal. Just recently at the lake when starting it...
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