cam timing problems z1000

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09 Aug 2009 21:21 - 09 Aug 2009 21:22 #312842 by bountyhunter
Replied by bountyhunter on topic cam timing problems z1000 - times 2
IowaKZ wrote:


Question 1: how much damage did I do by having it off set by 1 pin.

I'd be amazed if it did any. I was adjusting the valves on mine once and had the cam chain tensioner off and when I was turning it, the chain managed to jump a link. Maybe it had kinked or whatever, but it was right on, I was turning it and heard it shift and then it was a link off. I was turning it over and it did no harm at all.

Check the compression if you are concerned. Only thing bad could be a bent valve and it will have low compression if it is.

1979 KZ-750 Twin
Last edit: 09 Aug 2009 21:22 by bountyhunter.

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10 Aug 2009 04:39 #312898 by Old Man Rock
Replied by Old Man Rock on topic cam timing problems z1000
"So I got it all set right, started it up and it ran, but very very rough. Doesn't sound even remotely right."...

In using a Timing light and following the procedure, @ idle, does the advancer F mark match the case mark?

@ 2900-3100rpm does the advance mark match the case mark?

When you set this all up, you did have the crank rotated where 1/4 was TDC first?

Are you 100% positive you have the correct coil spark plug wires to the correct plugs?

Example: left coil normally for cylinders 1 & 4, two outer cylinders.

1976 KZ900-A4
MTC 1075cc.
Camshafts: Kawi GPZ-1100 .375 lift
Head: P&P via Larry Cavanaugh
ZX636 suspension
MIKUNI, RS-34'S...
Kerker 4-1, 1.5" comp baffle.
Dyna-S E.I.
Earls 10 row Oil Cooler
Acewell 2802 Series Speedo/Tach
Innovate LC1 Wideband 02 AFR meter

Phoenix, Az

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11 Aug 2009 06:27 #313095 by IowaKZ
Replied by IowaKZ on topic cam timing problems z1000
I was out of town yesterday do I didn't get a chance to look at it.

I'm going to check the compression first thing to see if I messed anything up.

I still might have something off on the timing. I'm pretty sure I have the plug wires right because they are all numbered. All cylinders are firing because the exhaust get's hot on all 4.

thanks again for all your support!

1980 G1 Classic
Bettendorf, Iowa

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11 Aug 2009 09:23 #313130 by IowaKZ
Replied by IowaKZ on topic cam timing problems z1000
I just thought of something else, but I didn't mention it before because I didn't think it was related. I have a 4-1 Mac that does not fit real well. My intention was to get the bike running and then work on the fit. In the past, I have had to run with 2 copper washers to get it to seal.

Is this bad fit and some leaking exhaust contributing to the rough running, no idle?

1980 G1 Classic
Bettendorf, Iowa

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11 Aug 2009 16:58 #313214 by IowaKZ
Replied by IowaKZ on topic cam timing problems z1000
ok, found the issue: No compression on #2 and #3.

before this whole mess I had compressions in the 145-150 range. Now after this, I am 95, 70, 85, 130 on 1,2,3,4.

I am hoping against hope that I did a poor job of lapping the valves and I didn't bend them by being out.

One thing I didn't do (forgot, didn't read the instructions, got in a hurry) was to check the seal on the valves after I re-installed the springs.

Now to start the re-tear down.... fingers crossed.

Think I'll start tomorrow. I have to get in a workout. I'm turning into a stress filled lump.

1980 G1 Classic
Bettendorf, Iowa

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22 Aug 2019 15:43 #809646 by runyandl
Replied by runyandl on topic cam timing problems z1000
Is your chain on the lower sprocket?

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22 Aug 2019 15:49 #809647 by Scirocco
Replied by Scirocco on topic cam timing problems z1000
Hey, Buddy your are10 years to late to the Party.

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01 May 2021 19:50 #847852 by ErlingW
Replied by ErlingW on topic cam timing problems z1000
And You, Rocco - never left the party? 

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01 May 2021 20:22 #847853 by TexasKZ
Replied by TexasKZ on topic cam timing problems z1000
Iowa KZ has not logged on to this forum since 2012. OMR has not been on since last December. runyandi is not likely to get a response from hem.

1982 KZ1000 LTD parts donor
1981 KZ1000 LTD awaiting resurrection
2000 ZRX1100 not ridden enough

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