Poll

PORT timing 175cc

175 cylinders
0 (0%)
200cc cyl8nders
0 (0%)

Total Members Voted: 0

Voting closed: October 16, 2023, 06:50:55 PM

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Author Topic: 175cc bridgestone  (Read 935 times)

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Offline bert Lilley

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175cc bridgestone
« on: October 02, 2023, 06:50:55 PM »
Hi guys,anyone got stock Port timing for the 175 cylinder.
Top of cylinder to top of Ex. Port
Top of cylinder to top of main transfers
Top of cylinder to top of boost port
Cant seem to find it on the net ?
Tanks Bert Lilley Canada
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Offline OldSwartout

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Re: 175cc bridgestone
« Reply #1 on: October 03, 2023, 04:10:55 PM »
I checked a couple !75DT's from my stash of scrap cylinders:
Exhaust 26.35
Transfer 35.30
Boost 33.55
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Karl Swartout
Mooresville, IN
BS175 Roadracer. BS200RS, BS350 GTR

Offline bert Lilley

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Re: 175cc bridgestone
« Reply #2 on: January 19, 2024, 08:53:57 PM »
Karl, thanks . I'm trying g to run numbers thru my computer program to help out a guy who is building a cafe racer for the road, I've only messed with the 350 as you know but willing to help out BS175 guy.
Not only with cylinder pirti g but 4 bearing crank,updated pistons, expansions etc


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