Chain or gearbox problem - BMW G310 R/GS Forum
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post #1 of 9 (permalink) Old 08-08-2019, 06:54 AM Thread Starter
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Chain or gearbox problem

Whenever my bike is stationary and in neutral ( like on a signal or when i start it at home )
When i put it in 1st gear there is a sound like "thak" (95% of the times ) it dsnt happen while riding (like even shifting from 2nd to 1st it dsnt make the sound )
Only when it is stationary
What is the problem and can anyone help me find a solution ? (Happening since 1-2 months after purchase)
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post #2 of 9 (permalink) Old 08-08-2019, 07:52 AM
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Many bikes make quite a noise when put in to gear whilst stationary; because everything in the box is moving you're not getting it when changing from second.


For some reason some bikes are sensitive to chain tension affecting selection of first - try checking that.
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post #3 of 9 (permalink) Old 08-08-2019, 09:30 AM Thread Starter
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Quote:
Originally Posted by PCV View Post
Many bikes make quite a noise when put in to gear whilst stationary; because everything in the box is moving you're not getting it when changing from second.


For some reason some bikes are sensitive to chain tension affecting selection of first - try checking that.
How do i check chain tension and also what is the ideal chain tension for g310 r as i m not able to find the manual.
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post #4 of 9 (permalink) Old 08-08-2019, 10:58 AM
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You can download a manual from BMW Motorrad International
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post #5 of 9 (permalink) Old 08-08-2019, 03:35 PM
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Look at the frame of your bike
There is a decal with the chain slack.
My R has 40-50 mm.
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post #6 of 9 (permalink) Old 08-08-2019, 05:50 PM
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The manual should be under your seat pan.
Also - the slack measurement should be on your swingarm.
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post #7 of 9 (permalink) Old 08-08-2019, 07:10 PM
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Sounds like a normal healthy bike to me.
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post #8 of 9 (permalink) Old 08-10-2019, 12:59 PM
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Because most bike clutches run in an oil bath, there is still a small amount of drag even when the clutch is disengaged.

So when you select first gear you are stopping a spinning shaft to engage the gear.

Also, bike clutches are a multi plate design unlike the single plate car clutch. So again, a bike clutch will more than likely have a degree of drag even when it’s disengaged.
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post #9 of 9 (permalink) Old 08-12-2019, 04:51 PM Thread Starter
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Thank you everyone for the advice..
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