yamaha g1 hard to start

debbud41099

my g1 is very hard to start, I don't know exact yr one this one,rusty and cant find serial,but it is getting fire, compression 110, new carb, getting gas ,new plug, but it is very hard to start, and when it does start, it runs some time like running out of gas, so have to use the choke, but with car cleaner or start fluid,which I know I should not use, but it will hit and run instant,,i looked at seal area behind clutch and it is dry, but I do know they are old, any help I sure thank you on what I should do, thanks bud,, im a newbie

BGW

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JcXtreme72

I'd highly suggest cleaning your carb.

85.G3

Is the air intake, filter and filter box stock? My guess is too much air or not enough fuel. 110 compression should be fine.

debbud41099

I bought a new carb and I didn't make any difference in it, would the crank seals make it do that, I know they are old, but im not seeing any leakage,and yes it stock filter box, just lost and where to go next, I tank you all, bud

debbud41099

it will start , but is hard too, I have to hold choke on it and crank for a bit,sometimes it takes min before start and then I have to run it with the choke out for better performance,have carb set at 1-1/2 turns out and then went to 2 turns, no diferece,any help I thank you, bud

85.G3

with 110 compression I would say your seals are ok. Check all components on the intake side (from the flange on the reed cage/boot to the head all the way to the filter) for any sign of cracks or bad gaskets loose clamps .....

copperhead1971

here is where the ser number is on the engine

JcXtreme72

if you can spray some starter fluid around the seals while your cranking it or running. If it starts or changes rpm then seals are bad. Yes bad seals would allow too much air.

debbud41099

hi. there is no change in it running when I spray start fluid around seals, so I guess that's ok, going to buy boot/flange,and new air filter and ruber clamps to hold down filter and go from there and thanks for serial location on engine, j31-110364, I think it makes it a 1986, thank you all for the help and will def keep you posted,.bud

DOOmsman

Knock the carb down they can sit on the shelf for years.