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Author Topic: 1978 Suzuki GS750 racer project  (Read 26340 times)

Offline Weasel

  • Posts: 170
  • 3rd generation rider
1978 Suzuki GS750 racer project
« on: Dec 26, 2015, 22:54:54 »
Picked up a new winter project for me and my two daughters. I had a Honda CB550 four cylinder years ago and the thing was a rocket. I picked up this GS750 four cylinder for a few hundred in hopes of turning her into a cool racer.

« Last Edit: Dec 26, 2015, 23:10:26 by Weasel »

Offline canyoncarver

  • DTT SUPPORTER
  • *
  • Posts: 3654
  • 'hacking is learning'
Re: 1978 Suzuki GS750 into a racer
« Reply #1 on: Dec 26, 2015, 22:58:07 »
Right on Weasel! Welcome to DTT. 
--

YZF750/1000R The Fly
KZ 750 Twin
ZRX 1100
KZ400 The Rabbit
KLR650, 73 Norton Commando, my 93" shovelhead chop, an 86' FXR, and an F9 Bighorn
more YZF750R's, more KZ's, a Zephyr750...and the ever unfinished 75' CB550 cafe.
--

Offline Weasel

  • Posts: 170
  • 3rd generation rider
Re: 1978 Suzuki GS750 racer project
« Reply #2 on: Dec 26, 2015, 23:17:57 »
I got an extra motor, wheel and swing arm in the deal too.



One of my helpers is ready.



Charged the battery up and was happy to see some life.


Offline Weasel

  • Posts: 170
  • 3rd generation rider
Re: 1978 Suzuki GS750 racer project
« Reply #3 on: Dec 26, 2015, 23:21:09 »
Thanks Canyon. I was on a very thorough forum for old GS bikes but once they heard I was building a racer, I couldn't get much help or feedback. I'll lurk there for the great info but I'm hoping to get some racer input and encouragement here.

Offline Weasel

  • Posts: 170
  • 3rd generation rider
Re: 1978 Suzuki GS750 racer project
« Reply #4 on: Dec 26, 2015, 23:40:06 »
I was able to get her running with some starter fluid but it was clear the carbs were gummed up pretty bad when the throttle barely moved. She didn't run long but she runs, which was a great sign. I'll try to post a video below.

Offline Weasel

  • Posts: 170
  • 3rd generation rider
Re: 1978 Suzuki GS750 racer project
« Reply #5 on: Dec 26, 2015, 23:41:02 »
Click for video:

« Last Edit: Dec 26, 2015, 23:43:10 by Weasel »

Offline kiwiguy

  • Posts: 166
Re: 1978 Suzuki GS750 racer project
« Reply #6 on: Dec 27, 2015, 04:58:09 »
Hey Weasel, love these old Suzuki's!! this was my very first road bike I ever brought. wish I had have kept it!! Good to see you getting your daughters involved too, mine comes and lends a hand sometimes with mine. Welcome and good luck with your build :D
If it was easy to do, everyone would do it

Offline NoRiders

  • Posts: 729
Re: 1978 Suzuki GS750 racer project
« Reply #7 on: Dec 27, 2015, 07:35:39 »
Looks like a good project bike Weasel....big lump of an engine and lots to strip off. Carry on....

Offline DohcBikes

  • Posts: 2384
  • Fuck You.
Re: 1978 Suzuki GS750 racer project
« Reply #8 on: Dec 27, 2015, 16:44:35 »
That's a good bike to start a custom project with, not too nice and not too grungy either. Always a sucker for a GS, I'll be following along on this one!
burning bridges sometimes light the most productive paths

Offline Weasel

  • Posts: 170
  • 3rd generation rider
Re: 1978 Suzuki GS750 racer project
« Reply #9 on: Dec 28, 2015, 10:16:08 »
Thanks everyone. Got her stripped down, lost the fenders, mirrors & signals. I also changed the oil & filter, cleaned and rebuilt carbs with new o-rings & gaskets, replaced o-rings on the boot intakes and replaced the roached air cleaner.