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Nelson's KZ1000 Fighter? build 25 Feb 2013 12:32 #574048

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i wouldn't sweat the chamfer on the sprocket.

i am of no help on your starter gear drag tho,
sorry.

leon
skiatook,oklahoma 1980 z1r,1978 kz 1000 z1r x 3,
1976 kz 900 x 3
i make what i can,and save the rest!

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Nelson's KZ1000 Fighter? build 25 Feb 2013 12:52 #574054

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I believe some drag is necessary.
Thank you,
Ruff

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Nelson's KZ1000 Fighter? build 25 Feb 2013 16:46 #574083

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Nice looking work Nelson, Kawasaki made 3 different size rubber starter gear dampeners, if you feel you have too much drag you most likely need the next larger one. You can not buy these dampeners (to my knowledge anyway) so you will need to find them used. I was in the same boat over the winter grabbed one off of a spare motor I had. I had the part numbers writting down somewhere and can find them if you need them. This is one area of the Z1 KZ motor I thought could have been designed better as its a pain to get dialed in properly.

Doug
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Nelson's KZ1000 Fighter? build 25 Feb 2013 18:59 #574098

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yeah I tried to buy one a while back and could not find them. Wouldn't I need the next SMALLER one to create more clearance?

Odd that these are all the same parts I took off it... Maybe it had this drag before and I didnt' know it. Seems like too much tho. I"m afraid it will get hot and melt the edge of the damper.
Restoring and customizing a KZ1000. Click here to read about it.
Plated KTM, DR650, KZ1000, Former MC mechanic (eons ago). 40 yrs. of dirt and street.

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Nelson's KZ1000 Fighter? build 25 Feb 2013 19:02 #574099

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I wonder if too much drag could cause the starter to turn...
Restoring and customizing a KZ1000. Click here to read about it.
Plated KTM, DR650, KZ1000, Former MC mechanic (eons ago). 40 yrs. of dirt and street.

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Nelson's KZ1000 Fighter? build 25 Feb 2013 19:05 #574101

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regarding the sprocket - I've seen severely damaged countershaft splines on many dirt bikes. Even a little KDX200. This is not cool for a 1000. The KZ shaft barely sticks out far enough as it is.
Restoring and customizing a KZ1000. Click here to read about it.
Plated KTM, DR650, KZ1000, Former MC mechanic (eons ago). 40 yrs. of dirt and street.

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Nelson's KZ1000 Fighter? build 25 Feb 2013 20:23 #574122

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Nelson wrote: I wonder if too much drag could cause the starter to turn...


Yes! if there is too much drag it will prevent the starter clutch from freewheeling and cause the engine to spin the starter.
I would leave it for now and see what happens when you run the bike as it may be ok after all.
You can buy the dampers from kawasaki and places like z-power etc.
If it does drag too much and you can't find a supplier then you can reduce the thickness by carefull lapping of the rubber edge on some fine wet and dry used wet.
You need to take it easy and keep test fitting the damper until you get the desired fit.
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Nelson's KZ1000 Fighter? build 25 Feb 2013 21:17 #574131

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How would I know if there is too much drag while it is running? Can't see anything...
Restoring and customizing a KZ1000. Click here to read about it.
Plated KTM, DR650, KZ1000, Former MC mechanic (eons ago). 40 yrs. of dirt and street.

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Nelson's KZ1000 Fighter? build 25 Feb 2013 21:48 #574140

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If there's too much drag it will spin the starter and you will hear the starter whining.
You shouldn't have to resort to going that far though if you use your judgement now while the cover is off.
If you can move the starter clutch gear anti clockwise by hand with fairly light pressure it is ok.
If it is very hard to move or locks solid when the rotor bolt is tightened then you need to reduce the thickness.
The damper is only there to keep the starter gear from floating about too much and rattling.
AIR CORRECTOR JETS FOR VM CARBS AND ETHANOL RESISTANT VITON CHOKE PLUNGER SEAL REPLACMENT FOR ALL CLASSIC AND MODERN MOTORCYCLE CARBURETTORS
kzrider.com/forum/23-for-sale/611992-air-corrector-jets-





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Nelson's KZ1000 Fighter? build 26 Feb 2013 00:22 #574171

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If needed, from FSM:



Good Fortune! :)
1973 Z1
KZ900 LTD
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Nelson's KZ1000 Fighter? build 26 Feb 2013 00:43 #574180

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thanks everyone! I think it's probably fine the way it is. It just bugs me a bit. Dumb design. It's robbing precious power too :ohmy: well a really tiny bit anyway.
Restoring and customizing a KZ1000. Click here to read about it.
Plated KTM, DR650, KZ1000, Former MC mechanic (eons ago). 40 yrs. of dirt and street.

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Nelson's KZ1000 Fighter? build 14 Sep 2014 22:40 #647571

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Well it's been a year and a half since my last post. Is anyone still interested in my project? It's been on hold due to many major life changes, but I've finally worked on it again.

A couple months ago I started it up for the first time!! Here's a video of it running.
Restoring and customizing a KZ1000. Click here to read about it.
Plated KTM, DR650, KZ1000, Former MC mechanic (eons ago). 40 yrs. of dirt and street.

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Last edit: by Nelson.
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