SOHC.co.uk Forums > CB750

Some Minor Issues to Sort

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McCabe-Thiele (Ted):
I might be way out here but when I had a tramping sensation on my Suzuki 750 GS it was the chain & chain wheels causing the issue. To many wheelies by previous owner.

I could not afford to replace the sprockets & chain so I fitted a new chain only & cured it.

Martin6:

--- Quote from: McCabe-Thiele (Ted) on April 11, 2023, 07:26:46 PM ---I might be way out here but when I had a tramping sensation on my Suzuki 750 GS it was the chain & chain wheels causing the issue. To many wheelies by previous owner.

I could not afford to replace the sprockets & chain so I fitted a new chain only & cured it.

--- End quote ---
Ted, was that felt through the handlebars?

McCabe-Thiele (Ted):
I'm going back 40 odd years but yes it was a really odd sensation like a thrumming that was felt up the frame into the handle bars. It was speed sensitive worst at 50 mph.

I didn't know a much about bikes back then - no internet - but a fellow biker said it sounded like a stretched chain causing the issue.

Checking wheel balance and alignment might be a better starting point.

Laverdaroo:
Just a thought but how old are your tyres? Sounds front end related snd agree with Ted but if your tyre’s old they do deform and can produce a similar sensation.

When Maxxis first came out the fitments for the VFR’s and other touring bikes had an intermittent vibration that only manifested itself at a certain speed which turned out to be a mismould and all were recalled .
Check your balance is cool and wheel bearings. Any point of contact really, you’ll find the issue

McCabe-Thiele (Ted):
You get tyre flat spots on cars that are only used in the summer so has it been stood for ages. I use some cheap wheels to stand the SL on over the winter. It takes a good 40 miles at 50 mph to spin out the flat spots otherwise

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