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81 GS400 Cafe racer project

  • Thread starter Thread starter oldschoolorange
  • Start date Start date
Im pretty sure its definately a 400, because its an 8 valve motor. the 450's were only 4 valve.
 
Tarbash 27 said:
Im pretty sure its definately a 400, because its an 8 valve motor. the 450's were only 4 valve.
Click to expand...

Incorrect 450's were 4 valve per cylinder (TSCC) as well, ask Brent Martin.
Does your 400 have round or square caps on the end of the cam cover?? Round means two valve, Square means four valve.

Dink
 
Well I stripped, bondod the tank and then sandblasted it. I was origionaly going to go with flat black but switched it to olive drab at the last minuite. I am not going with the military theme I just allways liked the color. It still needs to get checkered but that is it.
4h3g1lf.jpg
 
Dink said:
Incorrect 450's were 4 valve per cylinder (TSCC) as well, ask Brent Martin.
Does your 400 have round or square caps on the end of the cam cover?? Round means two valve, Square means four valve.

Dink
Click to expand...

My GS450 was 2 valve per cylinder. I looked on suzukicycles.com and every GS450 on there was round cover, 2 valve/cylinder
 
I'm not sure what year, but that tank is from a GS450. I was partial to that model in my younger days, especially the one that came from the factory with a 1/4 fairing(factory cafe racer).
 
Well all I can say is my '81 450 has round covers, 4 valves per cylinder, and has that shape tank...

Here's two not real flash photos of it... the first is my mockup of sort of how I want it to look when I finish, the other is the only one I have of the engine that shows the round covers.

mockup.jpg


leftnocarbnosprocket.jpg


Sorry they're such crap photos, my abilities with a camera really suck.
 
I have got some new pics here. I have done a little bit of work on it recently and had some parts that I ordered for it come in. I am going to fiberglass the rear piece into my seat back so it will be nice and smooth.

2la4lmt.jpg

2em0l11.jpg

454h0zr.jpg

49at43s.jpg
 
Starting to get some form and look good :-)

Keep the pic's coming as I'm keen to see what you do with the seat etc.

At the moment, I'm planning just to shorten the seat pan and bring the original duck tail forward a bit.

Not sure what I'm going to do about the tail light etc. at the moment though.
 
pete said:
Well all I can say is my '81 450 has round covers, 4 valves per cylinder, and has that shape tank...

How do you know its 4 valve per cylinder? round covers are 2 valve. Look through the intake ports, does it split?
Click to expand...
 
Ok, it appears I must correct myself!

For some reason, I recall my GS being 4 valves per cylinder... I must've been drunk or confused :-|

I just went and had a look at the head and the Haynes manual (the engine's currently in many pieces) and, sure enough, 2 valves per cylinder, 4 in total.

So, apologies for my false claims... the round covers must be 2 valves per cylinder :-)
 
Hey Chris

Excellent looking tank. looks even better now that its on the bike.

I see you still have the stock foots pegs on there. you going to keep those after all?

and how about those gold rims.. any more paint action going on?
or are you going to work that into the colour scheme..


Can't wait to see this thing ripping around the Hammer in the spring!
 
I am going to powder coat the rims black. I want to rig up some rear sets for this thing, but I have to get the seat finished first so I can position them correctly. I will hopefully have the fairing finished this week. The tank will be done by tommorow
 
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