Another Cheese Head gets a Busa :-)

Don't go to the dealer, and gen1 parts aren't hard to come by.
Fixing the throttle is easy too.
Can you take some pictures so we know exactly what you need?
 
Here is my synopsis after disassembly. There is a bushing on the throttle cable that screws into the throttle housing. That busing is shot and the only way of replacing it is to replace the cable. The other cable goes into the throttle housing and in this case the housing serves as the bushing and that too is shot.

I don't see how this is so bunged up with only 8K miles on the bike. I guess the slide on the throttle side could have done it. The right side is scratched up, but it couldn't have been very bad. Even jamming the handlebars over in a slide shouldn't have caused this.

Grrr ... and it's sunny today and I don't dare take it out. I think yesterday's cautious ride in the rain was a good thing!
 
OldFartDave said:
Here is my synopsis after disassembly. There is a bushing on the throttle cable that screws into the throttle housing. That busing is shot and the only way of replacing it is to replace the cable. The other cable goes into the throttle housing and in this case the housing serves as the bushing and that too is shot.

I don't see how this is so bunged up with only 8K miles on the bike. I guess the slide on the throttle side could have done it. The right side is scratched up, but it couldn't have been very bad. Even jamming the handlebars over in a slide shouldn't have caused this.

Grrr ... and it's sunny today and I don't dare take it out. I think yesterday's cautious ride in the rain was a good thing!
Click to expand...


Partzilla, motosport, and several other companies have an oem part section.
You can find what you need there, shipped quick, and almostly always cheaper.
 
Where are you located?
Maybe one of us are close by and have spare parts.
That's pretty common here, everyone helps keep each other riding, it goes around.
 
sixpack577 said:
Where are you located?
Maybe one of us are close by and have spare parts.
That's pretty common here, everyone helps keep each other riding, it goes around.
Click to expand...
Thanks, it's heart warming to see the comradery in this group. I'm in west central Wisconsin. I have my Ninja so it's not like I'm dead in the water. I'm just chomping at the bit to be Busaized. :-)

Thanks, but I'll just order the parts. Patience is a virtue, right?
 
OldFartDave said:
Thanks, it's heart warming to see the comradery in this group. I'm in west central Wisconsin. I have my Ninja so it's not like I'm dead in the water. I'm just chomping at the bit to be Busaized. :-)

Thanks, but I'll just order the parts. Patience is a virtue, right?
Click to expand...

I'm a few miles down the road in Va, lol, but there are some Wisconsin riders here, so you never know.
 
sixpack577 said:
I would need to see a picture.
It's been years since I've had the tank up on a gen1
Click to expand...
I know, it's hard to diagnose based on a description. A picture wouldn't cut it either. A video might. Basically both tubes coming off the throttle assembly REALLY flop around due to slop in the bushings. If I'm in there I'm going to do the full monty and do both cables and the throttle housing. Not worth skimping on something this important.
 
FYI: it was the throttle linkage tension, not the bushings.

You were curious about my initial reaction. OMG ... I soiled my pants. I'm in love and will be selling my Ninja. I don't have the skill or the balls to push this bike to it's potential, but It'll still be fun. I was worried about the weight, but it's VERY stable bike at speed and in the corners. I thought I'd need to keep the Ninja for the twisties ... nope!
 
OldFartDave said:
FYI: it was the throttle linkage tension, not the bushings.

You were curious about my initial reaction. OMG ... I soiled my pants. I'm in love and will be selling my Ninja. I don't have the skill or the balls to push this bike to it's potential, but It'll still be fun. I was worried about the weight, but it's VERY stable bike at speed and in the corners. I thought I'd need to keep the Ninja for the twisties ... nope!
Click to expand...
These bikes will surprise you with their capabilities....
 
The saga continues. The problem with these forums is when you first join, it's really hard to find pertinent info on one's specific problem. I'm posting just in the off chance a newbie has a similar problem. If you get a used bike, go over it entirely. Key points are tires, brakes, and throttle linkage. If the rpm varies when you move the handlebars, you need to address that ASAP!

I thought I got the throttle linkage fixed and did a 100 mile ride. yesterday The idle was at 2K but I figured that was the norm for drag racing. I HAD to go out and get Busaized. Today I addressed the idle. I can't complain because this Busa was gifted to me, but the previous owner (actually the previous previous owner) was pretty clueless. I'm no motor-head, but come on. The choke cable was routed incorrectly and a hard left would apply the coke. I had a dickens adjusting the throttle until i lifted the tank and saw what was going on.

Words of wisdom ... trust no one!
 
sixpack577 said:
The choke is actually not a choke either, but rather Suzuki's "fast idle", it was on all the fuel injected gsxr's of that era t
Click to expand...
ok, I trust your judgement. I know the proper term is "high speed idle" However the symbol on the lever shows chock and I can't start it w/o engaging. I'm confused. I don't care what the proper term is, have a binding problem that engages it with a hard left
 
OldFartDave said:
ok, I trust your judgement. I know the proper term is "high speed idle" However the symbol on the lever shows chock and I can't start it w/o engaging. I'm confused. I don't care what the proper term is, have a binding problem that engages it with a hard left
Click to expand...

Lol, it does look like a choke.
Idle speed settings are adjustable as well(and I forget that too, 1200? 1300 rpm?)
The bike should crank and idle without pulling the lever unless it is very cold outside.
It sounds like from the drop damage that someone messed with the idle and possibly routed a cable wrong.
Someone here has a pdf service manual they can link here or send you.
With that(and possibly some parts) you should be able to easily solve your problem.
 
www.hayabusa.org

Adjusting fast idle after rerouting it | Busa problems

So, I rerouted my cable to the left of my bars and through the two screws for the tank, and now the fast idle is no worky. I can't figure out how to get this thing to work. I keep trying to shorten the cable, but I'm shortening the travel of the fast idle lever on the handlebars. It isn't in the...
www.hayabusa.org www.hayabusa.org

And I was wrong, the fast idle IS on the throttle side of the bike.
Rerouting the cable under the front center of the tank gives alot more slack than in front of the steering stem.
 
.

Screenshot_20210922-160235_Chrome.jpg
 
sixpack577 said:
www.hayabusa.org

Adjusting fast idle after rerouting it | Busa problems

So, I rerouted my cable to the left of my bars and through the two screws for the tank, and now the fast idle is no worky. I can't figure out how to get this thing to work. I keep trying to shorten the cable, but I'm shortening the travel of the fast idle lever on the handlebars. It isn't in the...
www.hayabusa.org www.hayabusa.org

And I was wrong, the fast idle IS on the throttle side of the bike.
Rerouting the cable under the front center of the tank gives alot more slack than in front of the steering stem.
Click to expand...
Interesting. Too bad the thread was in 2007. I would have liked to ask why they needed to reroute the cable.
 
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