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Author Topic: 77/78 750 Carb to airbox boots compatible with early years?  (Read 691 times)

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Offline edwardmorris

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77/78 750 Carb to airbox boots compatible with early years?
« on: May 06, 2014, 06:03:58 AM »
Title pretty much says it, will the 77/78 750 carb to airbox boots work with a 72 750 K2? The part numbers are the same except for the middle three number (for model years??), just thought I'd ask to be sure.
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Offline martin99

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Re: 77/78 750 Carb to airbox boots compatible with early years?
« Reply #1 on: May 06, 2014, 06:38:31 AM »
I don't think they are compatible. The inlet stubs on roundtop carbs are 39mm IIRC, whereas the PD carbs are 42mm. Maybe they would clamp up, airleak on that side not so critical?
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Build threads:
77 750F2 Refresh Project http://forums.sohc4.net/index.php?topic=144075.0
TRIBSA http://forums.sohc4.net/index.php/topic,160296.0.html

1977 CB750 F2
1958 Norton Model 99
2011 Triumph Street Triple 675

Offline edwardmorris

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Re: 77/78 750 Carb to airbox boots compatible with early years?
« Reply #2 on: May 06, 2014, 02:13:07 PM »
Cool. Thanks for the clarification oldskool!
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