The 2010 BMW G 650 GS and all other motorcycles made 1894-2023. Specifications. Oil capacity : 2.30 litres (2.43 US quarts) Fork tube size R60-R100 MODELS. Race Tech is the place for post-vintage and vintage BMW motorcycle suspension. On many models you can transform your suspension just by adding, easy to install, Gold Valve Emulators and RT Hi-Performance Fork Springs. The difference is amazing. We have fitments for many models with telescopic forks. The BMW F 700 GS is the update to the BMW F 650 GS (the parallel twin one with the detuned 798cc engine). Like the F 650 GS twin, the F 700 GS has a name that doesn’t correlate directly to the engine capacity of 798cc. It’s still positioned as the more easy-going, road-going F 800 GS. I'm on the road and changing the oil on my wife's 2011 F650GS. I cannot find her handbook and I do not know the oil capacity with a new filter install as well. Have not been able to find it online, so please help. Start the engine and let it run for a couple of minutes to fill up the oil filter. Then turn the bike off and let it sit for 5-10 minutes to let the oil drain back into the sump. Then add oil slowly until it's about 2/3 to 3/4 of the way up the sight glass. Go for a ride and then be sure to check the sight glass again the next day and top off F 650 GS (08-12), F 700 GS & F 800 GS Fork oil per rod : Performing bleed (brake) test with the BMW Motorrad diagnostic system: Engine-oil change, with filter The 2006 BMW F650GS project bike continues with the fork seals being replaced. I was able to install the seals with no special tools with some neat tricks o The fork oil is the oil that goes in the front forks of a motorcycle and acts as the shock absorber. Fork oil is not the same as engine oil. Engine oil is mainly used for lubricating and cooling down the engine components. Fork oil, on the other hand, is used as a shock absorber. Sure, fork oil acts as a lubricant, but the main purpose of fork CfDje.