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petcock question

  • Thread starter Thread starter tconroy
  • Start date Start date
T

tconroy

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I have a 79 gs 750l that has a petcock with only 2 settings,straight down for on and left for res. is that the way it was back then?Why doesnt it have a prime like all the 80s bikes.After it sits for a week how would you "prime the bowls"? or do you?
 
My 79 750E had res/run/pri, someone may have switched out the petcock. I wasnt aware the L model for the same year 750 had a different petcock.
If that be the case, using choke may be your only option.

Earl


tconroy said:
I have a 79 gs 750l that has a petcock with only 2 settings,straight down for on and left for res. is that the way it was back then?Why doesnt it have a prime like all the 80s bikes.After it sits for a week how would you "prime the bowls"? or do you?
Click to expand...
 
The 77 GS750 I'm working on right now has res and run where you indicate, and prime is to the right.
 
I believe the first year or so after they added the fuel gauge ('79 or '80?)they removed the RES position. They figured you wouldn't need reserve since you could tell when you needed gas from the gauge. After a few years they put it back.
 
tconroy said:
I have a 79 gs 750l that has a petcock with only 2 settings,straight down for on and left for res. is that the way it was back then?Why doesnt it have a prime like all the 80s bikes.After it sits for a week how would you "prime the bowls"? or do you?
Click to expand...

My 1979 gs1000l is the exact same way. No prime setting

Side note, where can I get a correct stock replacement cheaply?
 
Last edited:
My 79 did not have a fuel guage. My 81 did. I suspect 80 then would be the first year to have a guage.

Earl

ptm said:
I believe the first year or so after they added the fuel gauge ('79 or '80?)they removed the RES position. They figured you wouldn't need reserve since you could tell when you needed gas from the gauge. After a few years they put it back.
Click to expand...
 
Petcock!

Petcock!

I have a '79 GS750L w/gas gauge & it too has only the left for res & down for on! That's it! It works from a vacuum.
 
This has a gas gauge and is the same as yours.Thanks for the info guys!!!
 
Petcock!

Petcock!

Glad to be of help! God knows I've needed more than anybody else! Are you the one that got the free bike? If so, your a very luck guy! I love mine. Wouldn't trade it for just about anything! Good luck w/yours!
 
i paid 150 and gave it to my father-in-law so I could work on it,at least thats the way it seem to be happening!
 
Petcock!

Petcock!

I see, keeping the the 'ol wife's father buttered up, huh?
 
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