Question about 1986 Suzuki GSX-R 750 G

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Baseline fuel air mixture 1986 gsxr 750 after rebuild of carbs

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Hi and welcome to FixYa,

Assuming everything is stock, have you tried 1 & 1/4 turn out from full in?

Good luck and thank you for asking FixYa.

Posted on Nov 16, 2009

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1 Answer

94 Suzuki GSXR 750 flooding out


have you checked the carbs are clean and all seals are good ? floats float if you put in a jar of fuel ?

May 12, 2014 | 1994 Suzuki GSX-R 750 WR

2 Answers

Gsxr 750 shoots flames


If the bike was running correctly when it was put in storage two years ago, I would start with the easy things first: As the previous poster suggested, install new, correctly gapped plugs, along with a new battery. Your bike uses an electronic ignition system, and it will not opporate correctly if you have a bad battery. The bike will miss, pop, and backfire, because there is not enough electrical power in storage (battery) to properly run the ignition system.

If these two things do not get the bike running correctly you will need to look at the carbs. Was the bike stored with fuel in the tank and carbs? If so, this is the most likely reason for the bike not wanting to run correctly. Flames from the exhaust are an indication of a very rich fuel/air mixture (a float could be stuck open (it can also be caused by the ignition not working properly and allowing unburnt fuel into the exhaust system)). Cleaning and reassembling mulitple carborators is not that difficult if you are careful and reasonably handy, but tuning them properly can be very difficult. You can save a lot of money if you rebuild them yourself, then take the bike to the shop to be tuned (The standard service rate these days is around $75 an hour)

Mar 23, 2014 | 2000 Suzuki GSX-R 750

1 Answer

I have a 1986 Toyota pickup tuck that sputters and stalls and blows black smoke off and on why?


sounds like you need to rebuild you carb. your air /fuel mixture is off

Dec 16, 2010 | 1994 Toyota Pickup

1 Answer

Misses at half throttle


You have a partially clogged jet in one or more carbs.
you need to have the carbs pulled off and cleaned.
i suggest taking all the jets out and soaking them in carb solution overnight.
I did that on my 1997 gsxr 750 W and it worked like a charm.

Nov 29, 2010 | 1986 Suzuki GSX-R 750 G

1 Answer

I have a 85 gsxr 750 running rich on the left


Hi Chris,
You will have to recheck the float level (in the float chamber) of those two carburators, reset if necessary.
You may also have to reset the air-mixture screw for both of those carbs. Standard procedure to set htem is tighten them all the way in making sure not to over tighten to avoid damaging the sharp end of the screw, and thn to open 2 and a half to 3 turns.
You can thn reset them as the engine is running + -- either way.
Hope this helps!

Dec 20, 2009 | 1986 Suzuki GSX-R 750 G

1 Answer

My suzuki 1986 gsxr wont start. a few weeks ago i was riding it and it was a little troublesome with the clutch shifting, now it just wont run. it wants to start but it wont. and when it try to start it,...


Hi there!
Too much gas mixture or there maybe plug problems. If it doesnt start, charge the battery and start the bike with new spark plugs. Replace the plugs, this usually works.
Let me know if this is any good. Other options:

1. THe spark plug cable
2. The ballast
3. The jets are clogged
4. Poor fuel quality.

Jun 21, 2009 | 1986 Suzuki GSX-R 750 G

2 Answers

Seems like wont pick up speed or bogs then comes out of it for a


Try truning the fuel tap to 'RES' when it starts bogging. Seems like fuel tap on the tank does not flow fuel properly. Check if the tap flows fuel when vacuum applied. This will only solve high rev bogging problem. Harsh idle seems to be another issue.

Jun 06, 2009 | 1991 Suzuki GSX-R 750 M

1 Answer

On my gsxr 750 l (1990) when doing about 30 mph@3000rpm the revs are up and down, almost mis-firing, have removed,cleaned and balanced carbs but problem still there. any ideas?


Check the color of the spark plugs.
If they are totally clean, your mixture is a little to lean.
To richen the mixture at the half-way trottle, raise the fuel level in the carbs.
At closed or less than 1/4 open trottle, set with the mixture idle screws.
Check also the rubbers between carbs and cilinder head. They must be 200% air-tight!

Mar 27, 2009 | 1990 Suzuki GSX-R 750 L

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