Just not running hard enough

  • SWest
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  • 10 22 2014
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27 Aug 2015 05:32 #687296 by SWest
Replied by SWest on topic Just not running hard enough
Tune up. Do you have a manual?
Steve
Z1b1000 1975 Z1b
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229

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27 Aug 2015 09:04 #687311 by drewd2385
Replied by drewd2385 on topic Just not running hard enough

swest wrote: Tune up. Do you have a manual?
Steve


Yes I have the manual what should I check?

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  • SWest
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27 Aug 2015 09:18 #687314 by SWest
Replied by SWest on topic Just not running hard enough
Clear tube test/ float level.
Steve
Z1b1000 1975 Z1b
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229

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  • Tyrell Corp
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27 Aug 2015 09:52 #687326 by Tyrell Corp
Replied by Tyrell Corp on topic Just not running hard enough
#1&2 cylinder black with oil 3 and 4 are tan and dry

Is it smoking or using oil? are you sure it is oil not soot (rich mixture) ? Did you get around to checking the compression?

When you fire it up, does 1 and 2 take a lot longer to warm up - check the header temperatures carefully.

Your problem could even be on 3 and 4, not running right, and the half choke rich mix sooting 1 and 2...
1980 Gpz550 D1, 1981 GPz550 D1. 1982 GPz750R1. 1983 z1000R R2. all four aces

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27 Aug 2015 10:43 #687335 by drewd2385
Replied by drewd2385 on topic Just not running hard enough

swest wrote: Clear tube test/ float level.
Steve


How do you clear tube test?

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27 Aug 2015 10:48 #687338 by missionkz
Replied by missionkz on topic Just not running hard enough

drewd2385 wrote:

swest wrote: Clear tube test/ float level.
Steve


How do you clear tube test?

Use the search feature and you'll find countless threads on this technique.
Bruce
1977 KZ1000A1
2016 Triumph T120 Bonneville
Far North East Metro Denver Colorado
The following user(s) said Thank You: drewd2385

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27 Aug 2015 10:48 #687339 by drewd2385
Replied by drewd2385 on topic Just not running hard enough

Tyrell Corp wrote: #1&2 cylinder black with oil 3 and 4 are tan and dry

Is it smoking or using oil? are you sure it is oil not soot (rich mixture) ? Did you get around to checking the compression?

When you fire it up, does 1 and 2 take a lot longer to warm up - check the header temperatures carefully.

Your problem could even be on 3 and 4, not running right, and the half choke rich mix sooting 1 and 2...



When she fires up she runs fine with choke on then let her warm up turn choke half way off and she will idle I turn it all the way off and she spits and sputters and dies. And it does look like she's spitting a little oil out the exhaust but that just started happening I don't have a temp gun so I don't know how hot they are getting I will try and get a compression test tonight after I get off

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27 Aug 2015 11:06 #687344 by SWest
Replied by SWest on topic Just not running hard enough
Valve adjustment?
Steve
Z1b1000 1975 Z1b
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229

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27 Aug 2015 12:30 #687351 by baldy110
Replied by baldy110 on topic Just not running hard enough
I would say based the choke issue you still have a dirty / clogged carbs.

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27 Aug 2015 12:53 #687356 by spdygon
Replied by spdygon on topic Just not running hard enough
first check for spark on all four plugs...if ok then your carbs need a good cleaning.
I would not run pumpers for drag racing...not needed.
1982 GS1000sz Katana ( #15...17K Miles)
1982 GS1000sz Katana ( # 297....7100k Miles)
1978 Kz1000 Z1R. 10K Miles1
1978 kz1000 z1r 27k miles
1977 KZ 1000 A ( Project ) 54K Miles
1976 Kz900A4 (Red)21K miles
1976 Kz900A4 ( Red)7500 miles
1974 Z1 900 project

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27 Aug 2015 14:37 #687363 by drewd2385
Replied by drewd2385 on topic Just not running hard enough

swest wrote: Valve adjustment?
Steve


Haven't got that far into it Steve but will thanks I'll post again after I mess with a few things tonight

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27 Aug 2015 14:39 #687364 by drewd2385
Replied by drewd2385 on topic Just not running hard enough

spdygon wrote: first check for spark on all four plugs...if ok then your carbs need a good cleaning.
I would not run pumpers for drag racing...not needed.


Yes I'm getting spark on all plugs and I can't afford flatslides yet lol so I'm running these for the rest of year and I'll buy flat slides over winter

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