20 Most Recent 1980 Suzuki GS 750 L Questions & Answers


As suggested, check the voltage with the engine running accross the battery. If its below 14 volts you have an issue with the stator windings/regulator/rectifier/wiring.
Do the cheapest thing first and clean up all electrical connections, esp the earths.
A manual will tell you how to test the charging system, but the Suzuki GS range has always had charging issues.
The simplist method is to fit the combined reg/rectifier unit from a Honda CB250/400 Superdream.
Always keep your engine oil topped to the max mark, as this cools the stator.
Dont leave this, it is not unknown for the entire system to fail including the CDI if left unchecked.

1980 Suzuki GS... | Answered on Jan 15, 2016


liquid fuel getting in cycliners. need carbs cleaned float sticking will fill engine with gas check oil level and air box

1980 Suzuki GS... | Answered on Mar 08, 2015


Do you know where it is located?
Have you had issues with it, as in dead and let to freeze, acid spilled out onto the bike from being frozen or overcharged etc?
If so mix up some baking soda and water and pour over connections and frame then wash off bike before swapping battery.
Take off negative first and put back on last, just like with a car battery.
If wet cell, fill to proper level and charge first on 1A or smaller charger for a day... If GSM or Gel, install and ride.

1980 Suzuki GS... | Answered on Aug 12, 2014


5th gear sluggish i run into alot of this sluggish at different rpm or speeds and almost always its in the synchrenation of the carbs what happens is one of the carbs is bacically hesitating clean and synch the carbs alot of techs overlook this this is a huge major factor in performance and immediate rite now throttle and engine responce

1980 Suzuki GS... | Answered on May 19, 2014


how long you letting it idle and not moving down the road ? its air cooled that needs movement to cool the engine ! another problem i once had was that after i polished the side casings to make it look good in a chopper style bike it overheated quicker than before , just a thought ! is yours std ? any more info you got ??

1980 Suzuki GS... | Answered on Apr 29, 2014


sounds like the clutch push rod is bent and the seal has more pressure on one side so leaking ! pull rod out and see if it can be straightened , if not then replace it and the seal !

1980 Suzuki GS... | Answered on Apr 29, 2014


This is a bit vague.. If engine is running an you select a gear but nothing.. I would look to the drive between the crank and gearbox.. this goes via the clutch and could be the issue..
This sounds dumb but check the obvious.. start at the back wheel and work back.. check chain and front sprocket.. then ensure you can select gears and then clutch and primary drive..

1980 Suzuki GS... | Answered on Apr 28, 2014


Have you looked inside the clutch case ? check the clutch is releasing , check the keyway on the crank cog hasnt snapped that drives the clutch etc !

1980 Suzuki GS... | Answered on Apr 27, 2014


Any modifications to the air box will cause mixture changes. You may need to re jet the carburetors to compensate.

1980 Suzuki GS... | Answered on Apr 13, 2014


Sticking or badly adjusted float valve in one or more of the carbs...be careful when turning it over until sorted as may cause hydraulic lock.

1980 Suzuki GS... | Answered on Mar 24, 2014


yes yuo can [email protected],,,they will have a unite for yuo.....cheaper...good luke....yuors mike.

1980 Suzuki GS... | Answered on Mar 26, 2013

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