BMW Motorcycle, 1983,R65. Does the speedometer cable come out of its housing?

The speedometer jumps constantly.

BMW Motorcycle, 1983,R65. Does the speedometer cable come out of its housing?free anti virus

You may need a mechanic to look at it, as if the speedo/mileage box gets broken by you trying to fix it it could be a problem if you want to sell the bike on.

BMW Motorcycle, 1983,R65. Does the speedometer cable come out of its housing?internet security software

Yes it does, the cable probably has a kink in it, causing the needle to jump.