Tioli. Old one, but I'll give it a shot. According to the Rep DVD you have to turn the fork upside down in order to change the oil. Filling the fork with the proper amount will also be difficult if the shocks are not out. The procedure also want you to dismantle the fork. Compared to its F650GS predecessor – the BMW F700GS now has a 2 mm thinner front fork, with a diameter of 41 mm. That can, since the fork now less skewed. This is because the single disc brake now has been replaced by double disc brakes operated via a two-channel ABS system, which once again has become more compact and lighter. Multiple-disc clutch in oil bath, mechanically operated: Transmission : 5 Speed : Final Drive: Chain: Frame: Bridge-type steel section frame with bolted-on rear section: Front Suspension: 41mm Telescopic fork with stabilizer bridge: Front Wheel Travel: 210 mm / 8.3 in. Rear Suspension: Spring setting and rebound stage damping continuously Fork Seals- 2007 BMW F650GS | Techn' MotoToday we remove the forks on the BMW F650gs and replace the fork seals. Doing this cause the seals are dry cracked a It is an 09 F650GS - 41 mm forks with damping rods. Ricor instructions are basically drop in and it works with existing setup and 5W oil. HyperPro says 190 mm from top, springs out, everything else in. 41 mm telescopic fork : 41 mm telescopic fork : Drive : Chain : Chain : Fork oil per rod - 490 ML SAE 7,5W : Engine Oil Without Filter : SAE 15W-50 API SJ : SAE 15W-50 : Engine Oil With Filter : 2,3 L : 2,3 L MIN. API SJ : Gearbox Oil - - Break Fluid : DOT 4 : DOT 4 : Final Drive Oil - - Fuel tank volume : 14 : 14 : Coolant : water+ : 1,4 L Oct 15, 2006. Oddometer: 4,752. Location: La Paz, BCS . Kernville, CA. I'm fairly certain the stock is 7.5 weight oil. If starting fresh you'll need almost a quart for each fork, the correct amount isn't determined by volume, it's determined by measurement. 60 mm from the top, spacer installed, fork fully compressed. For the new F 650 GS, BMW has focused on improving the bike’s ergonomic profile and making it even kinder to beginning and returning riders. Fuel Capacity: 4.0 U.S 41 mm telescopic fork BMW Parts for your F650GS Dakar/M 05-07 (R13) Production: 08/03-12/06 USA SINGLE PARTS FOR OIL PUMP. Diagram #11_2934: TELESCOPE-FORK. Diagram #31_0539: Dec 3, 2009. Oddometer: 635. Location: 36.0N 115.08W. Yo beefcake! I would recommend getting your info from an actual suspension tuner, rather than here. Fork oil viscosity will definitely make a difference, as will the oil level/air gap that you set with oil quantity.small changes can make a fairly large difference. hi8q.