Checking chain tension, adjusting if necessary (BMW F650GS)

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(Inspections I, II, III and IV)

Checking chain tension

Place the unloaded motorcycle on its main (centre) stand.

Caution! Check and adjust the chain tension only when the motorcycle is unloaded.

The article is taken from the website [Motoinstruction.ru]

Chains stretch unevenly, so turn the rear wheel to find the point at which chain deflection midway along the run between chainwheel and rear sprocket is least.

At this point, push the chain up as far at it will go and measure chain deflection.

Chain deflection: 35...45 mm (1.38...1.77 in).

Adjusting chain tension

Loosen quick-release axle nut (2).

Caution! When tensioning the chain, make sure that wheel alignment is correct. Check that the same number of notch marks are visible in window (3) on each side of the swinging fork.

Adjust chain slack with chain tensioning screws (1).

Firmly tighten quick-release axle nut (2).

Check chain tension.

Tighten chain tensioning screws (1).

Chain slack: 35...45 mm (1.38...1.78 in).

Note: Allow time for chain spray to take effect after spraying on. Avoid contamination of rider's clothing.

Tightening torques:

• Quick-release shaft nut: 100 Nm
• Chain tensioning screws: 10 Nm

See this article in russian language

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Article about repair motorcycles «BMW F-series F 650 GS» (2000-2007): «Checking chain tension, adjusting if necessary»: https://motoinstruction.ru/en/BMW/F/F650GS/owner/service/112552 <a href="https://motoinstruction.ru/en/BMW/F/F650GS/owner/service/112552">Checking chain tension, adjusting if necessary</a> - article about repair motorcycles «BMW F-series F 650 GS» (2000-2007) from section «Maintenance». [url=https://motoinstruction.ru/en/BMW/F/F650GS/owner/service/112552]Checking chain tension, adjusting if necessary[/url] - article about repair motorcycles «BMW F-series F 650 GS» (2000-2007) from section «Maintenance».