Black Plugs / Running fine / what todo

  • SWest
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Re: Black Plugs / Running fine / what todo

04 Aug 2018 10:17
#788182
Now that you're here, one thing at a time.
Steve

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Re: Black Plugs / Running fine / what todo

04 Aug 2018 10:27
#788183
This may help you. Not easy to get good colour with modern fuels.

Z1000J2 somewhat modified!

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  • gordone
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Re: Black Plugs / Running fine / what todo

07 Aug 2018 11:29
#788408
SWest wrote: Now that you're here, one thing at a time.
Steve

Thank you,

Could you help me with more what I can do, next steps.. ?
1981 KZ650-D4, with 1981 z750L engine (Wiensco 810 big bore).

Project:
www.kzrider.com/forum/11-projects/607213...sr-1981-z750l-engine

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Re: Black Plugs / Running fine / what todo

07 Aug 2018 16:01
#788421
What do the plugs look like?
Steve

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  • Scirocco
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Re: Black Plugs / Running fine / what todo

07 Aug 2018 16:43
#788423
gordone please run 100 miles on the new spark plugs to get an meaningful result on your spark plug colour!

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Re: Black Plugs / Running fine / what todo

08 Aug 2018 08:54
#788464
I haven`t been able to drive so much, buss at work.
Will take some photos when I have driven more :)
1981 KZ650-D4, with 1981 z750L engine (Wiensco 810 big bore).

Project:
www.kzrider.com/forum/11-projects/607213...sr-1981-z750l-engine
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  • gordone
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Re: Black Plugs / Running fine / what todo

19 Aug 2018 06:21
#789319
I have taken one new measurement on gas consumentuon and got 0,67 liter per 10km, is that okay? My weight is 110kg.

I will try to take out the plug next week.
1981 KZ650-D4, with 1981 z750L engine (Wiensco 810 big bore).

Project:
www.kzrider.com/forum/11-projects/607213...sr-1981-z750l-engine

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Re: Black Plugs / Running fine / what todo

19 Aug 2018 07:14
#789322
If I remember right about the gas mileage most folks are getting around 40 miles per gal....... give or take a few. Sorry but never have taken the time to figure out much on the metric scale.
1978 KZ650 b-2
700cc Wiseco kit 10 to 1.
1980 KZ750 cam, ape springs, stock clutch/ Barnett springs.
Vance and Hines Header w/ comp baffle and Ape pods, Dyna S and green coils, copper wires.
29MM smooth bores W/ 17.5 pilots, 0-6s and 117.5 main
16/42 gearing X ring chain and alum rear JT sprocket.

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  • JR
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Re: Black Plugs / Running fine / what todo

19 Aug 2018 07:45 - 19 Aug 2018 07:46
#789328
gordone wrote: I have taken one new measurement on gas consumentuon and got 0,67 liter per 10km, is that okay? My weight is 110kg.

I will try to take out the plug next week.

6.7 /100km comes out at about 42mile per US gallon . 1 US gallon = 3.7L

I cant remember what i get on my 750 but i think my fuel comsumption is at least the same and probably worse.

By contrast i get 6.2 L/ 100km in my Toyota Corolla.

These old bikes are not noted formtheir fuel efficiency.
1980 kz750E1, Delkevic exhaust
Last edit: 19 Aug 2018 07:46 by JR.

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Re: Black Plugs / Running fine / what todo

19 Aug 2018 08:03
#789330
Looks like I’m where I should be then.
I have carbs from a 650 engine, so I properly you some less then orinale 750 engine?

Looking forward to take a look on the plugs now :)
1981 KZ650-D4, with 1981 z750L engine (Wiensco 810 big bore).

Project:
www.kzrider.com/forum/11-projects/607213...sr-1981-z750l-engine

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