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BALLSDEEP
10-28-2004, 07:33 PM
Does anyone know if you have to perform the 300 hour service on the HP 500 EFI? I was informed by a few people that the older HP 500 carb version required new valve springs and a couple other things at 300 hours. Is this true with the EFI?

Quality Time
10-28-2004, 08:03 PM
Don't have first hand experience, but I have read on other boards that it is a good idea.

SHAKE-YO-AZZ
10-28-2004, 08:06 PM
Does anyone know if you have to perform the 300 hour service on the HP 500 EFI? I was informed by a few people that the older HP 500 carb version required new valve springs and a couple other things at 300 hours. Is this true with the EFI?
last I heard they fixed the problem

BALLSDEEP
10-29-2004, 07:16 AM
Thanks SHAKE-YO-AZZ,
Thats what I heard too, but wasnt totally sure.