Question about 1998 Suzuki GSF 1200 Bandit S

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Slipping in second gear

The forward drive is lost momenteraly , throughout power in second gear only 1st3rd4th n 5th is fine and deffo not clutch slip or tyre slipping on the rim. Checked when cold and hot seems to make no diffrence 1200s Bandit 1998

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  • Anonymous Mar 22, 2014

    when starting in first gear and accelerating, the bike jerks as if the clutch is slipping temporarily. Problem seems to have gotten worse/happen more frequently

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The problem you are having is in the transmission. You have lost the second gear shift fork and the drive gear on the main shaft minimum, there is a good chance you also will have to replace the second gear wheel as well.
The good news is you may not have to remove the top end when preforming this repair but you will have to split the lower cases to access the transmission.
Below is the link you can access to see how the transmission is put together and it also has the prices for the parts you may need.
GSF 1200 Parts , just click on the link and it will take you to the page to see the parts. The gears are just at $100.00 and the shift fork will cost around $32.00. Essentially the parts are not too bad but you will also need a complete engine gasket set as well. I'd buy the complete set including the top end just in case you might want to freshen up the engine.
My recommendation would be to at the minimum replace the piston rings as well. Make sure you use an AN400 honing stone and you want about a 30 degree cross hatch in the hone pattern. Do NOT get crazy when honing because you are removing precious material which will increase piston to cylinder wall clearance. You pretty much want to just remove the "glaze" in the cylinders when replacing the rings. I'd also recommend doing a leak down test on the valves. All you need to do is pour a solvent down the ports to make sure they are not leaking.
I'm getting a little carried away here so if you would like further assistance please send me a reply.
Hope this helps you!
Regards,
RSelvy

Posted on Dec 27, 2008

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