You mentioned doing an oil change right after buying the bike. You didn't use synthetic oil did you?
-Kyle On Mon, Apr 18, 2011 at 9:06 PM, Gene Henry <[email protected]> wrote: > A quart in 70 miles should leave a terrible smokescreen behind you that > you couldn't see through! > Did the oil usage occur suddenly with the last oil change? If so, that is > very suspicious. > (I won't even ask if you put the right amount in. I promise!) > Is there no evidence of leaking oil under where the bike is stored? Put a > clean/dry piece of paper/cardboard under it. > Look for oil hanging/dripping anywhere. I can't believe you are burning > that much. > > Before you jump to (expensive) conclusions, do a compression test: > Fully charged battery, charger still hooked up. > Engine warmed up, but not too hot to work around. > All sparkplugs out. With throttle held full open, measure and record > compression pressure for each cylinder. > Compare to specs. On my '84 650 "standard" is 170 psi, "service limit" is > 156-185 psi. Temp variations. > Add about an ounce of motor oil to each cylinder and recheck/record each > cylinders compression readings. > Compression reading low on one or more cylinder? Suspect problem in > that/those cylinders. > Compression low in any or all cylinders but *improves* with addition of > oil? Suspect rings, which addition of oil improves. > Compression low in any or all cylinders but *doesn't improve* with > addition of oil? Suspect valve problem which oil won't help. > Better test is a cylinder leak down test, where each piston is turned to > TDC (Top Dead Center) to insure all valves are closed and the tester is > turned into the spark plug hole and compressed air is added to each cylinder > in turn and pressure drop timed and recorded. The rate of leak down > determines the cause of the problem and its severity. Would you guess it is > available Harbor Freight Tools: > > [image: Cylinder Leak-Down Tester] > <http://www.harborfreight.com/cylinder-leak-down-tester-94190.html> > Cylinder Leak-Down > Tester<http://www.harborfreight.com/cylinder-leak-down-tester-94190.html> > > Item #94190 Only:$39.99 (less 25% Easter Sunday!) > > Hope this will help. > > ----- Original Message ----- > *From:* Joey Kelley <[email protected]> > *To:* [email protected] > *Sent:* Monday, April 18, 2011 7:53 PM > *Subject:* [Nighthawk Lovers] Need some help - I think the GS-1000 has a > major issue > > Hello All, > Discovered today in the 140 odd miles since I did an oil > change the GS-1000 has apparently burned at least two quarts of oil. > (Thats all I had - so I know it burned that much) This jives with the > changing oil level I noticed and the black spark plugs. > I thought it might be dumping raw fuel into the crankcase, but > I pulled the carb drain plugs and with the petcock in the normal > (vacuum activated) position, no fuel leaked after the carb bowls > drained. > I'm now fearing the worst - that the engine will have to be > completely rebuilt from the block up - but I'm hoping that someone > here can talk me down from that. > Thoughts and encouragement? > -Joey > > -- > -Joey Kelley > JoeyKelley.com - My Life Online > JoeyFixesComputers.com - Its What I Do! > JoeyKelleyPhoto.com - Photographing Today, For Tomorrow > > -- > You received this message because you are subscribed to the Google Groups > "Nighthawk Motorcycle Lovers!" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/nighthawk_lovers?hl=en. > > -- > You received this message because you are subscribed to the Google Groups > "Nighthawk Motorcycle Lovers!" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/nighthawk_lovers?hl=en. > -- You received this message because you are subscribed to the Google Groups "Nighthawk Motorcycle Lovers!" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/nighthawk_lovers?hl=en.
