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Mike R's GS550/650 bare bones street racer

Here she is in her test mode glory, notice the ghetto tank setup: electric is fairly cleaned up. I will be doing a heat shrink perfect harness when all is said and done after I get the bike dialed and all the eletrical on it:

2012-03-23224418.jpg


She idles real nice, revs up really good. Has one small stutter off idle that I need to tune out. With the 1/4 turn throttle you pretty much skip over it. I took her out for a test ride but I need to get a plate and insurance before I go too nuts. Clutch was slipping which may be from sitting for 3 years in crappy oil. Worst case scenario I will get stiffer springs and new plates.

The bike ridses just how I want it to so far. Crack the throttle and it jumps forward with power and aggression. I need t bolt the seat on because all I was doing was almost falling off the damn thing.

I ordered the AEM so I will be able to dial the bike in.

I'm going to go to DMV tomorrow and get the bike legal followed by alot of future testing and tuning. I can't wait. I have some more videos to put up too.
 
To those who've PMed me about anything recently I've been consumed by this build lately and apologize for not getting back to you.
 
I like the direction this took! However, how are you gonna get a full kick out of it with the peg in the way? You're only really doing about 1/3 of the kick-stroke.

I love the oil cooler lines, and the hydro clutch! Great, great work so far!
 
DannyMotor said:
I like the direction this took! However, how are you gonna get a full kick out of it with the peg in the way? You're only really doing about 1/3 of the kick-stroke.

I love the oil cooler lines, and the hydro clutch! Great, great work so far!
Click to expand...


I pulled the spring setup from that footpeg and used a nut, bolt, and washers to create a friction fit. it hold tight but allows you to pull it all the way up and it stays there why you crank it over. just gotta remember to flip it down before riding off.

Thanks for the compliments.
 
boontonmike said:
I pulled the spring setup from that footpeg and used a nut, bolt, and washers to create a friction fit. it hold tight but allows you to pull it all the way up and it stays there why you crank it over. just gotta remember to flip it down before riding off.

Thanks for the compliments.
Click to expand...

Well in that case, that's pretty damn trick! Nice indeed.
 
Sick bike man, I don't even wanna know how much you got in parts alone on this thing.

I bought that same exhaust for my 550 it sounds sick and I don't even have the carbs dialed in yet.
 
I've taken the bike out on 2-3 nice rides. The wideband has been awesome. I have the bike running pretty good. I need to just sink the carbs and adjust my valves before doing a finaly carb tune. I'm running a bit rich at idle which I should be able to tune out with the idle mix screws. WOT is running on the lean side but making great power. I'll probably bump up a couple sizes on the main jet and then fine tune the bottom end/ idle.

The bike rips so far and I know it has more in it. As of now I have alot of parts zip tied in place so I could get some seat time and test/tune the bike. I will get some videos and newer pics up shortly.
 
Update Time: I made a small bracket for the oil cooler lines to keep them from hitting my pipes. Replaced the Main jets up to 130s from 110 ands that seemed to be almost perfect. A bit on the rich side but it's also been humid and near 100 while I've been testing. The bike is ripping and pulling hard all the way up til 10500 rpms. I'd probably go further but I'm not sure how much more she can take. The gearing works great with the power. I could probably go up a tooth in the front and still retain the same pull with a little more topend but I topped out the bike and I don't think I'd want to go much faster due to stability ( est 115-20ish).

I'm going to try and get some riding video, which shouldnt be hard considering I'll be riding it alot now that the jetting is good. It still has a slight oil leak where I had the front center head pinch bolt break ( I really need to pull the head UGH too much work.) I've just been going over the bike retightening things and tweaking here and there. Really could use a solid valve adjust, carb sync, timing check to get it up to tip top spec.

I have a new seat coming so I'm going to work on getting the bike 100% together.My goal is to work out the bugs over the summer and fall and do a a tear down and paint/polish/dial in over the winter.
 
Impressive work mike. Keep going with it and good luck.
 
Very nice build !

I prefer the way the tail piece ends the line of the tank and seat, find it makes more sense with the age of the bike too.
 
Wow, this thing looks awesome! Great work on the build so far, can't wait to see the finished bike.

I think the tailpiece looks better on, it finishes the lines of the bike really nicely. Are you gonna move the tail-light up into the tail or leave it down my the swingarm? Personally I think it would look better in the tail piece, but thats just me.

Keep up the great build.
 
Tim Tom said:
Wow, this thing looks awesome! Great work on the build so far, can't wait to see the finished bike.

I think the tailpiece looks better on, it finishes the lines of the bike really nicely. Are you gonna move the tail-light up into the tail or leave it down my the swingarm? Personally I think it would look better in the tail piece, but thats just me.

Keep up the great build.
Click to expand...

Tail light isnt mounted there. If you look a little closer thats my wonderful test ride seat seatup with the plate and tail light ziptied to the back of the seat. I will be doing a taillight under the rear cowl. Still need to sort out plate mounting position.

Thanks for the compliments. It's constantly evolving and when I'm finally satisfied it's going to get torn down to frame and painted.
 
i love this! anybody think i could put a gsxr 650 front end on a GS650G?
Boontonmike i sent you a message with a few questions btw haha im starting alittle project myself
 
gs550/650 swap

gs550/650 swap

Great thread. And yes i have a stupid ?, Is or is not the 81/82 550 block the same as the 81/82 650E, 81/82 550 have the clutch cable tang on the block.If so would it be easier to swap top end? thanks. SAN
 
you can put a gsx650f front end on it...but not a gsxr 650..as they dont make one ...
I don't know how long the forks are though. Might be a bit on the short side for a GS.... A B-12 front end would be a likely candidate....
 
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