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Engine jumping out of 4th 1000J
- darlington
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- S. Darlington
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28 Apr 2017 04:24 #760462
by darlington
Keeping the good times rolling since 1982. Helping people with parts ,technical support and service of the 70's 80's Kawasakis. Building road bike bikes for individuals involved in Vintage Road Racing in the eastern Ontario region.
Engine jumping out of 4th 1000J was created by darlington
Under hard acceleration in 4th and with slight reduction in throttle it will want to jump out of gear into a false neutral. I'm thinking the detent spring is weak. Any other suggestions?
Keeping the good times rolling since 1982. Helping people with parts ,technical support and service of the 70's 80's Kawasakis. Building road bike bikes for individuals involved in Vintage Road Racing in the eastern Ontario region.
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- rrsmsw9999
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28 Apr 2017 05:30 #760468
by rrsmsw9999
1980 KZ 1000E2
Crashed 6/2016
1980 KZ550A
Sold 3/2016
Replied by rrsmsw9999 on topic Engine jumping out of 4th 1000J
Sound like shirt forks to me.
.
.
1980 KZ 1000E2
Crashed 6/2016
1980 KZ550A
Sold 3/2016
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- SWest
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- 10 22 2014
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28 Apr 2017 07:06 #760477
by SWest
Replied by SWest on topic Engine jumping out of 4th 1000J
Behind the sprocket cover is a tranny cover. Behind that are the shift return springs, shift arm, etc. Kawasaki installed a locking cam on the later engines. It's possible the spring or springs could be weak or broken. I would check that first before deciding to split the cases.
Steve
Steve
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- VTEC
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28 Apr 2017 17:16 #760545
by VTEC
KZ1000-K2
ZRX1100
XR400R
Replied by VTEC on topic Engine jumping out of 4th 1000J
Springs don't just weaken with mileage, but time also.
Want to look at the barrel rollers while you're in there with the cover off.
If springs and barrel aren't the issue, a bent/worn fork could do it too.
All that eliminated, you can drop the oil pan and get a look at the gear dogs. Significantly rounded off dogs will produce popping out or gear. Although it's typically a 2nd gear issue on a street bikes.
Want to look at the barrel rollers while you're in there with the cover off.
If springs and barrel aren't the issue, a bent/worn fork could do it too.
All that eliminated, you can drop the oil pan and get a look at the gear dogs. Significantly rounded off dogs will produce popping out or gear. Although it's typically a 2nd gear issue on a street bikes.
KZ1000-K2
ZRX1100
XR400R
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- bluej58
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- The chrome don't get you home
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30 Apr 2017 10:00 - 30 Apr 2017 10:10 #760760
by bluej58
78 KZ1000 A2A
Replied by bluej58 on topic Engine jumping out of 4th 1000J
I had a problem a long time ago where it would pop out of gear and it was the groove for the lock washer(26) on my shift rod(27) was cut too shallow and the lock washer came off and the rod slipped out, thankfully not damaging anything.
Don't ride with it like that!
Don't ride with it like that!
78 KZ1000 A2A
Last edit: 30 Apr 2017 10:10 by bluej58.
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