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my bike wont start
86 Suzuki gs450 won't start. Good spark, rebuilt carbs, cranks over good, won't fire. I'll at a loss. Any ideas? Vaccuum needed on carbs? I don't know what the lines are, I forgot. There's a line from the top of the right carb. And then one on each carb on the sides inside, I belive those are for the floats??? Please help.oh, timing is good, valves are good. I think, from what I read they need to be .001-.003 intake and exhaust.any help would be great.Tags: None
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Is there fuel in bowls? That line on top of right carb is probably vacuum line to petcock- another line from petcock feeds the fuel to a tee between the carbs. Other lines could be fuel bowl vents
Is this a Calif bike- any emissions stuff?
Do you understand how "choke" system works- activate "choke' fully", use NO throttle and crank? if no sign of life after a little cranking, pull spark plug to look for some fuel1981 gs650L
"We are all born ignorant, but you have to work hard to stay stupid" Ben Franklin
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Also may need to prime the carbs.
Either use prime on the fuel tap if there is one or if it's like mine there's a brass screw beside the tap. Undo that, wait 30 sec's, do it up again.1982 GS450E - The Wee Beastie
1984 GSX750S Katana 7/11 - Kit Kat - BOTM May 2020
sigpic
450 Refresh thread: https://www.thegsresources.com/_foru...-GS450-Refresh
Katana 7/11 thread: http://www.thegsresources.com/_forum...84-Katana-7-11
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86gs450
Well my valves are wrong. I know that now. I think, I've read the clearances from 3 different sources and they all say different things. Anyone know what they are supposed to be? And also, to Pete, how do I prime the carbs? I've never owned a gs before. If you have pics that would help also. Thanks guys
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GateKeeper
lots of good info here
get the manual and everything else you might need....
cheers
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The metric sizes for the valve clearances are 0.04mm to 0.08mm, not sure what that translates to in inches though...
As for prime, either your tap will have a position marked "PRI" or, if it's like mine there'll be a brass flat headed screw beside the top like this:
Undo that screw a turn or so, wait 30 seconds, then do it back up again.
All it does is let the fuel flow so you don't want to leave it undone.1982 GS450E - The Wee Beastie
1984 GSX750S Katana 7/11 - Kit Kat - BOTM May 2020
sigpic
450 Refresh thread: https://www.thegsresources.com/_foru...-GS450-Refresh
Katana 7/11 thread: http://www.thegsresources.com/_forum...84-Katana-7-11
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