If the bike runs better under throttle and by choking it a bit, my wild guess is that it’s running lean and will need to have the carbs cleaned, at the very least. This assumes electrical, ignition, timing, and the entire fuel system upstream of the carburetors are to spec. You can try an in situ cleaning before pulling the rack, to see if that helps.
Maybe check the headers for excessive blueing and take a look at the plugs (clean=lean, dirty=rich). If you smell gas and suspect it’s running rich, take a look in the plenum for fuel. The sage advice previously given to use a spray bottle or IR thermometer to check the headers is excellent.
It’s commonly advised that backfiring (which is a discussion in itself) heard through the air box means the bike is running lean, whereas if it’s heard through the exhaust (after burn) would indicate that it’s running rich.
New (to me) GL1000 question
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Re: New (to me) GL1000 question
1983 GL1100A Aspencade
1977 GL1000
1978 GL1000
1979 GL1000
“I see Angels on Ariels in leather and chrome,
Swoopin' down from Heaven to carry me home."
1977 GL1000
1978 GL1000
1979 GL1000
“I see Angels on Ariels in leather and chrome,
Swoopin' down from Heaven to carry me home."
- pidjones
- SUPER BIKER!!!!
- Posts: 3237
- Joined: Wed May 22, 2013 4:06 pm
- Location: East TN
Re: New (to me) GL1000 question
I suggest that you ONLY use Seafoam in accordance with the manufacturers instructions on the can. I've had to drain a couple tanks where a full can was dumped in to a gallon or so. Carbs really don't like that.
"Love 'em all.... let God sort 'em out!"
Ex 2006 GL1800 - the Black Pearl SOLD! to make room for:
2021 Can-Am Spyder RT Limited Dark Chalk Metallic
1975 Red GL1000 project - ex Pistol Pete project
1972 Triumph T150V Trident rescue - finished and FOR SALE!
1976 Yamaha RD400c
1978 GL1000 with '75 engine - the Hunley
Ex 1978 GL1000
Ex 1979 GL1000
Ex '79 CB750F rat bike
Ex '86 SEi
Ex '77 GL1000
Ex '76 RD400
Ex '72 Penton 125 set up for flat track
Ex '73 RD250
Ex '68 TR6C - chopped
Ex 2006 GL1800 - the Black Pearl SOLD! to make room for:
2021 Can-Am Spyder RT Limited Dark Chalk Metallic
1975 Red GL1000 project - ex Pistol Pete project
1972 Triumph T150V Trident rescue - finished and FOR SALE!
1976 Yamaha RD400c
1978 GL1000 with '75 engine - the Hunley
Ex 1978 GL1000
Ex 1979 GL1000
Ex '79 CB750F rat bike
Ex '86 SEi
Ex '77 GL1000
Ex '76 RD400
Ex '72 Penton 125 set up for flat track
Ex '73 RD250
Ex '68 TR6C - chopped
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