HARD starting 750

[Nessism]

I agree - I've ben using that stuff since last year. Works well, and doesn't melt any of the plastic connectors.

Which formula are you using Mike? I picked some up a Fry's and it's the D5 stuff (5% cleaning power). Going to order some of the 20% cleaning stuff next.

 

[Guest]

Which formula are you using Mike? I picked some up a Fry's and it's the D5 stuff (5% cleaning power). Going to order some of the 20% cleaning stuff next.

Boy, funny you should ask Ed... I went out to my work shop & looked & see it's the F5 stuff, called Faderlube. Not really the best product for cleaning old, oxidized copper connections. I bought it last year at a local sound shop, asking for Deoxit - not realizing there were several flavors.

Oh well, it's worked well but I guess I'll be looking for the better recipe next time. Looks like the D100 is 20%, the D5 is 5%.

mike

 

[mmtallman]

Mike,

I know it's been several months, was wondering if you had any resolution. My 850 is very hard to start (just picked it up on Veteran's Day) and know it needs some work, but I figured I see where a good starting point would be for these cold winter months. By the way, it seems that you're actually not all that far away from me, maybe 40-50 miles at most.

Thanks!

 

[KitKat]

also,

if adjusted your valves before you synced your carbs then i believe the valves will need to be checked again

not 100% sure of that, but have read it here on the forum multiple times

 

[Nessism]

Mike,

I know it's been several months, was wondering if you had any resolution. My 850 is very hard to start (just picked it up on Veteran's Day) and know it needs some work, but I figured I see where a good starting point would be for these cold winter months. By the way, it seems that you're actually not all that far away from me, maybe 40-50 miles at most.

Thanks!

Yup, classic signs of valves that aren't seating. Hopefully they aren't all burned.

 

[Guest]

Mike,

I know it's been several months, was wondering if you had any resolution. My 850 is very hard to start (just picked it up on Veteran's Day) and know it needs some work, but I figured I see where a good starting point would be for these cold winter months. By the way, it seems that you're actually not all that far away from me, maybe 40-50 miles at most.

Thanks!

http://www.thegsresources.com/_forum/showthread.php?t=143270

here's the final chapter...

 

[mmtallman]

Thanks Mike

 

[Guest]

also,

if adjusted your valves before you synced your carbs then i believe the valves will need to be checked again

not 100% sure of that, but have read it here on the forum multiple times

I think you have it backwards... the valve clearances won't change because of a carb sync.

HOWEVER, the carb sync could be off if it was done when the valve clearances were out. The intake vaccum & exhaust pressure will change after the valve clearances are set correctly and that will directly affect your carb vaccum sync.

 

[KitKat]

ahh thats what i meant. sorry

 

[gsbobber]

80 gs750l

80 gs750l

i have a 80 750l and always have problems with cold start if i put the choke on it will start but if i dont leave it on for a while the bike shuts off sometimes i have to ride with it on or it will shut off when at a stop but once it really warms up i dont need it and and start with out it. only does it in the morning or after not running for a couple days. what could this be.

 

[almarconi]

More than likely tight valves or dirty/mis-adjusted carburetors.

 

[Larry D]

i have a 80 750l and always have problems with cold start if i put the choke on it will start but if i dont leave it on for a while the bike shuts off sometimes i have to ride with it on or it will shut off when at a stop but once it really warms up i dont need it and and start with out it. only does it in the morning or after not running for a couple days. what could this be.

Yep, sound like you need a valve adjustment. Hard starting is a tell-tale sign of a needed valve adjustment.