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gs650 vs gs750es

  • Thread starter Thread starter n00ben7
  • Start date Start date
N

n00ben7

Guest
Hi guys, looking for a project.

Both bikes crank but no start from "sitting too long", what they all say. Anyway I have some cash to spend and want to fix something up.

Option 1:
1981 GS650 for $600, cranks but doesnt start, guy says gas has been in there for 3 years, hopefully just a carb cleaning.

Option 2:
1986 GS750ES for $950, been stored for almost 20 years but it seems in mint shape. Guy says he fogged the cylinders, and the motor is not seized.

I thought the gs750 stopped in 1983, but it shows on the catalogs that it does go to 1986... However I cannot find parts for this bike in online parts catalogs. It's not an option in the drop down lists of every site I tried.

I'm leaning more towards the 650 tbh... if I end up buying a lemon at least I'm not too deep in the hole. Any opinions on either bike, pros and cons? I'm not looking for speed, I'd rather have a lighter and easier to work on bike.

Thanks guys.
 
n00ben7 said:
Hi guys, looking for a project.

Both bikes crank but no start from "sitting too long", what they all say. Anyway I have some cash to spend and want to fix something up.

Option 1:
1981 GS650 for $600, cranks but doesnt start, guy says gas has been in there for 3 years, hopefully just a carb cleaning.

Option 2:
1986 GS750ES for $950, been stored for almost 20 years but it seems in mint shape. Guy says he fogged the cylinders, and the motor is not seized.

I thought the gs750 stopped in 1983, but it shows on the catalogs that it does go to 1986... However I cannot find parts for this bike in online parts catalogs. It's not an option in the drop down lists of every site I tried.

I'm leaning more towards the 650 tbh... if I end up buying a lemon at least I'm not too deep in the hole. Any opinions on either bike, pros and cons? I'm not looking for speed, I'd rather have a lighter and easier to work on bike.

Thanks guys.
Click to expand...

The 750....no brainer!
 
trevor said:
The 750....no brainer!
Click to expand...
Why though? I forgot to mention I want to build a cafe racer. The 650 seems to be easier to work on.

Aside from engine size and year, what's better about the 750?

I'm having trouble finding parts for this model year. There are plenty of 650s around. Havent heard of an 86 gs750es until today. I thought the guy mispelled it and meant gsx750es D:
 
Last edited:
Find the OEM parts fishe like the one at Parzilla. I'm not sure about Ontario but there must be something similar there.
 
If you could post a decent picture of that supposed 86 750, I'm sure someone here could properly identify it. It would be a 16V, if 80 or newer, and chain drive.

The 650 is, by my recollection, necessarily, a shaft drive bike, and and 8V engine.
 
750 for me as well based on personal preference. If you're into the cafe thing the 650 is probably more fitting. Is the 650 a G (shaft drive), or E (chain drive)?
 
So like the PO said, looking at parts fiches like partsoutlaw, there's no 86 750ES. Last year they show a fiche for is 83. '83 looks close to the pic he posted, but I don't know if it's exactly the same. Was that bike imported from somewhere other that North America?
 
The 750 was reduced to 700 in the U.S. during the tarriff years. Not sure of the years though.

The chain drive 650 is somewhat of a rare bird and a good looking cycle.
 
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Last edited:
The 750 would probably not make a good start as a "cafe" bike. The 750ES has a 16" front wheel for a start... It also has a square tubed frame, mono shock with linkage & a much more modern looking engine.

As one to fix as stock & ride it's probably a better, rarer, more rewarding bike than a 650.

I made a special from one (for fun and because the fairing assembly was missing from this bike anyway):

GS750ES-GSXR by salty_monk, on Flickr

Here it is next to a stock one...

GS750ES-GSXR by salty_monk, on Flickr
 
# 9 post was asking original poster if the 650 was chain or shaft, not the 750 in the picture?


Regarding the 1986 750, if it's a 1986 Canadian registered bike, wouldn't be called a GS750EF?

I don't believe anything aside from cam timing or Canadian carburetor size engine wise would be different than a US 1983 Suzuki GS 750 E-ES that has the odd US 16 inch front wheel.
The front fairing lowers body work wise of the Canadian EF would be different than the US 1983 GS750ES version, as the ES is a half faired bike.

If you're planning on chopping rear sub frames n such, seems the whole brat bike thing, the 650 would be more appropriate.

Kevin Schwantz was riding the 3rd generation 750 in 1986 @ Willow Springs when he turned some heads with his racing acumen.
 
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