timing jumping ?

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15 Jan 2013 14:29 #567477 by andyvr4
timing jumping ? was created by andyvr4
Hi all I just got my bike up and running but now it sounds like it skipped timing ? I did the tensioner just as in the clymers manual and ran great now it wont start and backfires a lot. So what can I do thanks in advance
1983 kz750 Ltd 4 cyl.

Andy

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15 Jan 2013 18:59 #567524 by bountyhunter
Replied by bountyhunter on topic timing jumping ?
I am not a 4 cyl expert, but I have seen other threads where the Clymer's manual was shown to be wrong. There is a download somewhere here for the Kawi manual.
1979 KZ-750 Twin

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15 Jan 2013 19:12 #567531 by baldy110
Replied by baldy110 on topic timing jumping ?
What do you mean skip timing? Did it run good before the timing chain adjustment? What did you do to get he bike "up and running?"

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15 Jan 2013 21:31 #567564 by andyvr4
Replied by andyvr4 on topic timing jumping ?
Sounds like timing is off because of the sound when it turns over. I did head work and removed tensioner and installed after work was finished
1983 kz750 Ltd 4 cyl.

Andy

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15 Jan 2013 23:56 #567595 by baldy110
Replied by baldy110 on topic timing jumping ?
Did you remove the cams for this head work? If so then I would say double check your cam timing.

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  • wireman
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15 Jan 2013 23:59 #567597 by wireman
Replied by wireman on topic timing jumping ?
Did you reinstall the valve cover before installing tensioner? B)
posting from deep under a non-descript barn in an undisclosed location southwest of Omaha.

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16 Jan 2013 08:21 #567651 by andyvr4
Replied by andyvr4 on topic timing jumping ?
Timing was spot on, installed tensioner before valve cover
1983 kz750 Ltd 4 cyl.

Andy

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16 Jan 2013 08:37 #567652 by wireman
Replied by wireman on topic timing jumping ?
If its anything like the bigger j-series motors the other guide/tensioner is built into the valve cover and needs to be installed first B)
posting from deep under a non-descript barn in an undisclosed location southwest of Omaha.

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16 Jan 2013 08:42 #567653 by wireman
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Attachment Image_2013-01-16.gif not found


Im not seeing a top roller in this picture so Im guessing its built into valve cover B)
posting from deep under a non-descript barn in an undisclosed location southwest of Omaha.
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  • Motor Head
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16 Jan 2013 11:21 - 16 Jan 2013 11:23 #567662 by Motor Head
Replied by Motor Head on topic timing jumping ?
Wireman is correct, there is a chain guide/ slipper block on the inside of the valve cover. Make sure its in place. If you pull the valve cover to check timing again, after following the book for lining up marks and pin counting. The Camshafts should have the lobes, and the notches lined up along the Valve cover gasket surface when viewed from the right hand side/ #4 like this picture. (From member 3cav84a).


1982 KZ1000LTD K2 Vance & Hines 4-1 ACCEL COILS Added Vetter fairing & Bags. FOX Racing rear Shocks, Braced Swing-arm, Fork Brace, Progressive Fork Springs RT Gold Emulators, APE Valve Springs, 1166 Big Bore kit, RS34's, GPZ cams.
1980 KZ550LTD C1 Stock SOLD Miss it
1979 MAZDA RX7 in the works, 13B...
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Last edit: 16 Jan 2013 11:23 by Motor Head.

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16 Jan 2013 20:43 #567734 by andyvr4
Replied by andyvr4 on topic timing jumping ?
Yes timing is spot on. Yes the built in cam chain guide on th valve cover is there
1983 kz750 Ltd 4 cyl.

Andy

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17 Jan 2013 12:29 #567877 by andyvr4
Replied by andyvr4 on topic timing jumping ?
Just bought a manual cam chain tensioner. Hopes this keeps timing
1983 kz750 Ltd 4 cyl.

Andy

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