According to the service manual, I read 40 NM. 1 NM= 0.7356 ft/#. I obtained service manual at dealer by asking and having a thumb drive for them to download onto at no charge. Hope this helps.
Thanks. This is yet another number that I had not seen before. I've looked mainly on BMW sites to find specs for the 650 motor and the figures vary greatly depending on the year/model - confused further by the f650 twin (800) (one of the dumbest things BMW ever did...). In general, 40NM seems low for this application. It seems certain that 40NM will not over torque the bolt... Now I have to see about getting a manual from my dealer... THANKS again! I really appreciate it.
Nick, I've seen 50Nm for the F650 GS - PJ's sold me the wrong sprocket too! Now I've got to wait for the new one to arrive.
My dealer loaded a copy of the service manual onto a thumb drive for me as well. The thing I was mainly interested in was the torque specs. Unfortunately, the description of the parts in the torque chart seems to be a poor translation from Italian to English. Some of the descriptions in the manual do not match anything in the rest of the manual. I was particularly interested in the torque for the engine mounts after I installed the bashplate, and almost nothing on the list matches the description of the bolts which mount the engine to the front and rear of the frame.
Mine is the correct sprocket; just put it on. No problems. Now I need to find the rear axle torque value... this information should not be a mystery. The USB manual has the procedure for checking and tightening the chain (similar to the F800, S1000 etc) but NO torque values...
From the service manual - Tighten rear wheel axle to 100Nm And yes, the manual lacking what you would think is must-know info is quite quirky. The owners guide is supplied in soft copy on USB (I never received this USB with my bike but I downloaded the manual from the Husqvarna website). The bike came with a hardcopy "quick start guide", which seems to be identical to the owners manual but with 20% of the pages removed. Strangely, stuff which you would think should be on the paper manual, particularly, the running-in procedure / maximum revs during the first 1000km is only in the softcopy version and not the hardcopy, so anyone picking up the bike should ignore the paper manual under the seat and instead locate a computer, and read the soft copy version before riding the bike. It's mad.
Workshop manual torque table - "Fastening of sprocket ... 19,0 Nm" It does not specify front sprocket, and I don't see anything about another sprocket, so it is a little unclear. However, the next few specs after this are in the same area as the front sprocket, such as rear brake master cylinder, and foot rest. I'm pretty sure this is referring to the front sprocket.
However, found in the engine torque figures section of the workshop manual, it is clearly pictured 40 Nm for the countershaft sprocket bolt. I'd go with that. And I think I might check mine
Swap between the 15 and 16 tooth a few times a year. Tighten to 40 Nm each time. Always snug when I get at it, doesn't feel excessive before the wrench clicks.
Where are y'all getting your sprockets. I need a 17T for street riding with my new Strada wheels. :-D
Plug "JTF402.17" into the eBay search field. The last number indicates the tooth count for JT sprockets so you can just adjust the last number if you want a different tooth count.
Yeah, I tried that. But I can't read Serb! Ah, there's one in jolly ol' England. Got my case saver from Down Unda' in no time. Might as well buy it from the Crown.
http://www.wunderlichamerica.com/motorcycle/8430001-003-5.html You may have to drop a few on the rear sprocket. Supersprox is one place
Thanks! I'm just going to use the sprocket carrier from other wheels. I don't foresee me swapping the wheels out on a weekly basis so shouldn't be an issue.
Definitely do that. I checked mine a few weeks ago because I was hearing the chain rub against something. Turned out the nut had worked partly loose and there was some side play on the sprocket. A dollop of loctite and done up to 40Nm. That should do it.
