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Author Topic: Thinking about next year  (Read 834 times)
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Doc B.
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« on: September 05, 2018, 11:42:40 PM »

on my way home, of course.

Coupla questions-

1) Is 750 P-PB a recognized classification?

2) Is fuel injection in place of carbs allowed in M-CG? M-CF? The engine rules for CG and CF are specific about using OEM heads, cylinders and crankcases but there does not seem to be any other restriction in the description aside from the overbore limit.
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donpearsall
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« Reply #1 on: September 06, 2018, 10:21:41 AM »

YES - 750 P-PB is a recognised class. I entered my Kawasaki GPZ 750 a few years ago as there was no existing record for it (still isn't). The GPZ is a factory turbo bike, kind of rare. I did not get the record as the bore was measured to be larger than factory bore. I disputed that it was, but still did not get the record.

As for replacing carbs with fuel injection, if the rules do not specifically say you can't, then you can.

Don
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550 hp 2003 Suzuki Hayabusa Land Speed Racer
Doc B.
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« Reply #2 on: September 06, 2018, 01:26:37 PM »

Thanks Don, interesting to hear about the GPZ750. It appears that some other factory turbo bikes are just a bit over the displacement implied by their model number and they would get bumped up a class. Re the FI, that's what I would assume, just wanted to hear if anyone had ever been told no.
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Old Scrambler
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« Reply #3 on: September 13, 2018, 08:16:35 PM »

Doc..............good to meet you in impound smiley smiley smiley

It sounds as if the salt has gotten to you.............
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2011 AMA Record - 250cc M-PG TRIUMPH Tiger Cub - 82.5 mph
2013 AMA Record - 250cc MPS-PG TRIUMPH Tiger Cub - 88.7 mph
2018 AMA Record - 750cc M-CG HONDA CB750 sohc - 136.6 mph
2018 AMA Record - 750cc MPS-CG HONDA CB750 sohc - 143.005 mph
2018 AMA Record - 750cc M-CF HONDA CB750 sohc - 139.85 mph
2018 AMA Record - 750cc MPS-CF HONDA CB750 sohc - 144.2025 mph

Chassis Builder / Tuner: Dave Murre
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