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Old 04-05-2005, 06:42 AM   #20926
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Quote:
Originally posted by lagnaf
Thanks Mark,
You'r tha bomb
What clutch settings did you end up with eventually, it'd be interesting to compare what you had with mine.

Cheers, Mark.
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Old 04-05-2005, 07:03 AM   #20927
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Quote:
Originally posted by markp27
Actually my setup is virtually identical to that which Pyramid posted a week or two ago:

Parts:
Yellow clutch shoe
1.8mm pre-tension spring.
Black clutch shoe cut up as the flyweights

Settings:
0.5mm clutch gap
0.2mm endplay
2.1mm pre-tension

Rene did all the tuning of the pre-tension by observing how my car performed - he can see and hear when it is correct. He does the same in tuning the engine.

I really can't say how to do this, I wouldn't be able to do it myself anywhere near as good as Rene and I couldn't really observe Rene doing the work, as I was on the driver stand.


Cheers, Mark.
So you took a standard black clutch and cut it into 3rd's? Do you lay the pieces between the pegs? Is the 2.1mm pre-tension measured from the face of the nut (holding the spring) and the end of the clutch nut (holding the flywheel on)? Was the clutch real aggressive... snappy? Can you send your new "pit monkey" over to Ft. Meyers this weekend for my state race?

Thanks, jag
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Old 04-05-2005, 09:03 AM   #20928
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Default Re: ZX-12 RACE Factory Settings

Quote:
Originally posted by lagnaf
Mark,
would you be so kind and measure your carburator settings from Kirchenberg race in turns from closed ?

PLEASE
Well, it certainly seems that the LSN is run rich comparatively to the HSN. My settings are

4.5 Turns out on the HSN and 5.5 Turns out on the LSN.

Cheers, Mark.
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Old 04-05-2005, 09:27 AM   #20929
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Quote:
Originally posted by jag
So you took a standard black clutch and cut it into 3rd's? Do you lay the pieces between the pegs? Is the 2.1mm pre-tension measured from the face of the nut (holding the spring) and the end of the clutch nut (holding the flywheel on)? Was the clutch real aggressive... snappy? Can you send your new "pit monkey" over to Ft. Meyers this weekend for my state race?

Thanks, jag
Here's a pic - it can explain it better than I can in words


I measure from the end of the flywheel retaining nut to the top of pre-tension nut with calipers in this manner:



The clutch was nice, it wasn't too agressive - probably you'd need to use a bigger clutch gap and/or grubscrews in the flyweights to achieve this.

My pit monkey is Sow&Steady - are you sure you want him or are you after the services of the one true Pit Prophet??
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Old 04-05-2005, 09:48 AM   #20930
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Default Re: Re: ZX-12 RACE Factory Settings

Quote:
Originally posted by markp27
4.5 Turns out on the HSN and 5.5 Turns out on the LSN.
Looks like it is the same available engine on shop shelves to me I would love to see one able to even start the engine at HSN 5.5 - LSN 2 ... no throttle apply
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Old 04-05-2005, 09:50 AM   #20931
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Default Re: Re: Re: ZX-12 RACE Factory Settings

Quote:
Originally posted by Pyramid
Looks like it is the same available engine on shop shelves to me I would love to see one able to even start the engine at HSN 5.5 - LSN 2 ... no throttle apply
Do you mean that when you get a new engine, the factory settings are the same as those I have now?
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Old 04-05-2005, 10:04 AM   #20932
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Default Re: Re: Re: Re: ZX-12 RACE Factory Settings

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Originally posted by markp27
Do you mean that when you get a new engine, the factory settings are the same as those I have now?
I do not remember actually, but not as far as HSN5.5 LSN2. More like HSN4.5 LSN4.. Must check again on the upcoming shipment late this month.
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Old 04-05-2005, 10:21 AM   #20933
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Default Re: Re: Re: Re: Re: ZX-12 RACE Factory Settings

Quote:
Originally posted by Pyramid
I do not remember actually, but not as far as HSN5.5 LSN2. More like HSN4.5 LSN4.. Must check again on the upcoming shipment late this month.
Another reason why I should be updating the FAQ
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Old 04-05-2005, 10:35 AM   #20934
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Quote:
Originally posted by markp27
What clutch settings did you end up with eventually, it'd be interesting to compare what you had with mine.

Cheers, Mark.
I end up with this clutch setup

Parts:
Black clutch shoe
1.8mm pre-tension spring.
flyweight modification with 3 pcs M3x4mm setscrew

Settings:
0.4mm clutch gap
0.22mm endplay
1,35mm pre-tension

My carburator setings: LSN 2, HSN 6
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Old 04-05-2005, 11:05 AM   #20935
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Quote:
Originally posted by lagnaf
I end up with this clutch setup

Parts:
Black clutch shoe
1.8mm pre-tension spring.
flyweight modification with 3 pcs M3x4mm setscrew

Settings:
0.4mm clutch gap
0.22mm endplay
1,35mm pre-tension

My carburator setings: LSN 2, HSN 6
Ow!!! Your carb needs resetting
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Old 04-05-2005, 11:13 AM   #20936
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Quote:
Originally posted by Brett.w
And you guys are happy with it? (Speed and stuff)
I've used it in two National races without problems. Especially in this last one where a lot of folks in the upper 40.9xx were having inteference issues.

Speed is faster than what my hands can do.
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Old 04-05-2005, 11:25 AM   #20937
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Quote:
Originally posted by Sow&Steady
I've used it in two National races without problems. Especially in this last one where a lot of folks in the upper 40.9xx were having inteference issues.

Speed is faster than what my hands can do.
And no thoughts of sending it for a software upgrade?

Do you have two receivers?
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Old 04-05-2005, 11:27 AM   #20938
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Quote:
Originally posted by markp27
My pit monkey is Sow&Steady - are you sure you want him or are you after the services of the one true Pit Prophet??
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Old 04-05-2005, 07:05 PM   #20939
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Quote:
Originally posted by markp27
Here's a pic - it can explain it better than I can in words


I measure from the end of the flywheel retaining nut to the top of pre-tension nut with calipers in this manner:



The clutch was nice, it wasn't too agressive - probably you'd need to use a bigger clutch gap and/or grubscrews in the flyweights to achieve this.

My pit monkey is Sow&Steady - are you sure you want him or are you after the services of the one true Pit Prophet??
Mark is truely a master. Anyone notice how he held the pinion and caliper but was still able to take the picture.

Initial...the only ring you'll have now is the one around the collar
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Old 04-05-2005, 07:10 PM   #20940
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Hi

I have the following for sale!

Novamax S3 Modified Mossimo Fantini
(very reliable and still very tight)$200 ONO

JP Black NS12 S3 Box and Stickers Included!(run 1 meeting) $370

Full Serpent spring set $50 ONO

2x Glow plugs $15 (7 turbo!)size

MUST SELL MAKE OFFERS THANXZ!

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