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Throttle cable sticking!
- polkat
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What is the easiest way to lube the cable? And where is the return spring (it might be weak)? Thanks!
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- savedrider
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- 1975 Z1-B 900
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Not sure why it would make a difference hot vs. cold though.
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- polkat
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- savedrider
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- 1975 Z1-B 900
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The return spring should be on the carbs, not in the throttle twist assembly. Usually the springs are pretty resilient.
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- polkat
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Yea, that's what I was asking. How? I am assuming that you take the throttle apart at the handlebar and squirt the stuff down the cable...right?
Is the throttle return spring(s) at the carbs a single spring, or do all 4 carbs have one?
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- TeK9iNe
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- What did you do!?!
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A cheap and effective alternative is to use a sandwich bag as a funnel. Once you have the end of the cable free from your throttle, poke it thru a corner of the bag then use an elastic to hold it tightly in place. Tape the bag to your bars, then fill it with some oil.
When the oil runs out the other end, you're done!
Cheers.
Motorcycle Shop Owner/Operator
79 Kawie Z1000 LTD
81 Kawie Z1000 CSR
83 Honda VT750C A
85 Kawie GPZ900 A2
86 Zukie GS1150 EG
93 Yamie XV1100 E
Lucky to have rolled many old bikes through my doors
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- Kawickrice
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- After Monday & Tuesday, even the calendar says WTF
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73 Kawasaki Z1
07 HD CVO Ultra Classic
82 Suzuki GS 1100
74 Yamaha RD 350 (My two stroke toy)
77 Kawasaki KZ 650B-1 (My putt around bike)
80 Indian Moped (My American Iron)
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Long Gone
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Tampa FL
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- Bluemeanie
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1980 KZ650F1, Bought new out the door for $2,162.98!
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- polkat
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Once the engine has warmed up, and the choke is off, the problem is mostly gone.
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- hoghaterkaw
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As I mentioned in the original post, this only happens when the bike is cold and the choke is on. I realize that the engine will rev higher when the choke is on. that's not the problem. If I tweak the throttle during warm up for an instant, say up to 4000rpm, it stays at 4000rpm when I release the throttle. I then have to kill switch it to stop it. After that it's okay again until I tweak the throttle...problem repeats.
Once the engine has warmed up, and the choke is off, the problem is mostly gone.
what you just stated about adding throttle while on choke and a cold motor is typical of these bikes. not a cable issue.
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- YUKABODOS
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I had a problem with the return when I swapped out handle bars and lubed the cables to no effect, not until I removed the tank the return operated as normal. The problem was a simple fix, but is almost too simple to even consider.
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- polkat
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