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need more performence out of 750

Billy Ricks said:
My bike is a little newer than yours but will keep up with most newer bikes until up around 125 or so. There was one guy on a Gixxer, not sure what size, that was on my tail on a freeway entrance ramp. I hammered the throttle and left him sitting. It wasn't until my bike ran out of legs that he caught me. As he pulled along side he looked a little dismayed that my old 700 had just pretty much outrun him.
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thats what i like to hear thats why when i race guys i say lets just go to a 100. my bike probly barley tops out at 125 mph but thats fast enough to die so thats fast enough for me.
 
odl777 said:
thats what i like to hear thats why when i race guys i say lets just go to a 100. my bike probly barley tops out at 125 mph but thats fast enough to die so thats fast enough for me.
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Here's a pic of my bike. It's been modded a bit so it handles and runs stronger than stock. A new round of mods will begin as soon as some parts arrive.
PC270036.jpg
 
Gettin' a little late so I'm signing off, but I'm sure you can do a search for the correct factory procedure on valve clearance adjustments on your '79. Yes, you replace shims. You'll need the depressor/shim removal tool.
Do a search, if you can't find anything, I'm sure someone will help soon.
 
Sorry, forget how to post a link.
Found what you need about valve clearances.
Do a search. "Tech section", Thread titled "Measuring valve clearance". By "PTM".That should help you out.
 
You are being stupid :)

The GS engine is a 2-valve, roller bearing engine built more for durabililty than speed. It's heavy and will never have the power to weight of a modern crotch rocket. It's true value is the fact that it still runs well 27 years after it was built. And you can actually change the oil without taking the bike apart.

I would save the thousands it would require to make it competitive and buy a used crotch rocket - best of both worlds.

PS - Don't let others decide what you think is cool.
 
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I know what cool is, and i think i could put a gsx 1100 motor in my bike and supe it up a lil and smoke rockets for under 2,000. i just wanted to know if i could get anything else out of my 750.
 
KEITH KRAUSE said:
Sorry, forget how to post a link.
Found what you need about valve clearances.
Do a search. "Tech section", Thread titled "Measuring valve clearance". By "PTM".That should help you out.
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YOU THE MAN KEITH
thanks alot for all your help cant wait to go home this weekend to start wrenching. thanks again have a good one.
 
OK. Read different posts. You'll pick up a little info or tips here and there.
Too add to those posts, if it wasn't mentioned...
Turn the crank with the 19mm nut, not the smaller end bolt.
You'll need a feeler gauge that measures down to .03mm. If you must force it in, it's too tight.
Always better to go on the loose side instead of tight. If you get into that "tight .03 vs loose .08" problem we all experience from time to time. "Fat shims" may be found to help you out. They have an "X" with the number. They are generally.02mm thicker than the standard shims that increase/decrease in .05mm increments.
You'll need the depressor tool and I recommend a new gasket and 4 new "half moon" rubber gaskets. Leaks suck. Be careful to line up the new cover gasket exactly before torquing. Torque uniformly.
Apply a very light film of bearing grease to the new cover gasket. It doesn't hurt the sealing quality and the gasket will come off easily the next time. Be very careful if you have to razor blade any old gasket material off the aluminum cover/head.
While checking each clearance, note the shim size. If it was placed in correctly (number side-down) you'll be able to read it. Use some verniers or other measuring tool to verify their thickness. After checking all 8, they can sometimes be swapped around and save you a little. Some shops have shims available, some not. Used ones are fine. They wear very slow.
Some shops will even swap for free. Others want maybe $10/ea.
Be sure you get Suzuki shims. 29.5mm cross diameter. Kawa's use 29mm and aren't compatible.
Check on a STONE COLD ENGINE. Not just a few hours.
Hope this helps.
 
Big thanks again i'm going home this weekend and hope to get the valve clearences checked and carbs synced and jetted. Cant wait till i get her back on the rode its been about 2 months since her last ride. thanks again have a good one.
 
Granted my 1100 has a few mods (1260 kit) and now I'm tossing in new cams and carbs but I still think it's cheaper than getting a new Gixxer or the like. I made a choice awhile back that instead of spending the dough on a newer bike that won't last as long and probably would be more expensive to repair in the long run that I'd build my old bike up. I'll give any newer bike a run for the money (and have) until about 120 or so then they start reeling me in. But until then I'm smiling. I would like a new bike but the 11 grand it would take to buy one I can put together one heck of a fast GS. Besides an antique bike like mine tipping the scales at 525 lbs. or so and my 230 lb mass of old fart hangin' on to the grips and hugging the tank wizzing past some newer bike just thrills the crap out of me.
 
RobGS850L said:
Granted my 1100 has a few mods (1260 kit) and now I'm tossing in new cams and carbs but I still think it's cheaper than getting a new Gixxer or the like. I made a choice awhile back that instead of spending the dough on a newer bike that won't last as long and probably would be more expensive to repair in the long run that I'd build my old bike up. I'll give any newer bike a run for the money (and have) until about 120 or so then they start reeling me in. But until then I'm smiling. I would like a new bike but the 11 grand it would take to buy one I can put together one heck of a fast GS. Besides an antique bike like mine tipping the scales at 525 lbs. or so and my 230 lb mass of old fart hangin' on to the grips and hugging the tank wizzing past some newer bike just thrills the crap out of me.
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I hear you on all that you have a sweet looking bike and im glad to hear you give them bikes a run for it, nothing pleases me more than knowing the capabilities of these bad ass beast of a bike. I think i need to move out nm so i can find some guys that have good style of bikes and an attitude along with them
 
Yea!

Yea!

You'll meet a lot more interesting people when you ride this classic GS and get approached at a gas station by someone who compliments it or used to own one. COULDN"T AGREE WITH YOU MORE,I enjoy pulling up to a gas pump or a store on it and getting compliments on how cool the older,classic,and the original crouch rocket bikes are.Makes you love your GS even more.\\:D/
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