I got my bike out of storage, and changed the oil and filled the tires and let it warm up.. everything was going good. Before I go too far, its a 1980 GS850G.
Headed back home and after a short while of 50-55 MPH driving it started running really hot. The next thing I know I am losing power (not electricity but torque). I pull off the county road and see that I am burning oil. The oil filler cap gasket has torn and I am leaking oil. I try adding some, lettting the bike set.. but to no avail. It will run at idle with the choke out or in, but any attempt to turn the throttle it starts chugging (anywhere above 2.5-3k RPM).
Have the bike towed home. Drain the oil. It was 2 quarts overfull. I put in a quart as mentioned above, but it was probably running with too much oil. The oil was clean, no metal pieces (a reccomendation I had from someone). I put in fresh oil again, the right ammount. I replaced the spark plugs and when I went to check the filter in the air box (to see if there was any oil up there), the foam rubber filter disintigrated. It was still intact, just totally fell apart to the touch.Cleaned out the sludge in the air box (some oil and road grime). Pu everything ack together sans foam filter (on order).
I did a compression test and each cylinder topped out arounf 120 psi (120-130) and a little higher when I added oil into the cylinder(130-140).
The bike starts, but if I have the airbox covers off its loud as hell and seems to backfire out the carbs. With the airbox covers and some make shift filter batting (to decrease air intake and provide some filtration while I wait), it runs but not well.
Again, it will idle fine. If I give it some throttle it hesitates and then will rev up. But it runs rough and seems to smoke out eh exhaust pipe on one side.
So.... I hope it is apparen
t that I am moderatley mechanically inclined, but not very knowledgable. I can also follow directions. But I don;t know what to do. I fear I need to take it to my local shop.. but I don't want to simply say "Bike broke... fix bike.. ugghhh". I'd at least lke to have an idea of what the problem is.
I know diagnosis via the internat is difficult, but if there is anything that anyone can suggest from the descriptions I have given, or can offer some suggestions at to possible other tests or things to try before I break down and take my bike in.
Its finally nice here in minnesota and I am dieing to get out!!!
Thanks a million
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