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Old 05-12-2008, 11:51 AM   #1501
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Originally Posted by FREELANCE_RCer View Post

Looks like PICCO took the .21 size engine production from Japanese manufacturers.
These seen @ redrc.net website for off-road use.
The wait will still be a little longer for on-road for sure.
take a look here->http://www.kyosho.de/?page=shop/flyp...7e&setlang=deu
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Old 05-31-2008, 03:00 AM   #1502
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I have an Orion CRF .12 motor. My issue is that it stutters on the low end. If I initially give it full throttle at the beginning of the power curve, it " stutters " on the low end until it clears out and is normal on the mid / high rpm range. I've tried adjusting the needles and it still does it. Any ideas on what's happening ? Thanks in advance.
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Old 01-24-2009, 09:33 PM   #1503
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hi guys.i know that this is an old thread but i want to make a question!
i am going to replace the crank in my crf.i can find 5.5mm-6mm-6.5mm diameter crank for a good price.does any one know which is better?with the big crank timing that this engine has in mind.
have anyone try 5.5 or 6.5crank?

any help will be appreciated!
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Old 01-27-2009, 03:54 AM   #1504
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Originally Posted by GREGORY! View Post
hi guys.i know that this is an old thread but i want to make a question!
i am going to replace the crank in my crf.i can find 5.5mm-6mm-6.5mm diameter crank for a good price.does any one know which is better?with the big crank timing that this engine has in mind.
have anyone try 5.5 or 6.5crank?

any help will be appreciated!

no one have an answer??
nano?do you know the answer?
thanks!
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Old 02-02-2009, 07:07 AM   #1505
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Quote:
Originally Posted by GREGORY! View Post
no one have an answer??
nano?do you know the answer?
thanks!
With the CRF technology, bigger bore cranks do not give straight results like with standard engines. I would tell you to keep the original crank.
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Old 02-02-2009, 03:06 PM   #1506
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With the CRF technology, bigger bore cranks do not give straight results like with standard engines. I would tell you to keep the original crank.

thank you nano!
for one more time you help us!
very nice!
by the way you have a pm.
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Old 06-03-2009, 07:43 PM   #1507
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was wondering if anyone could tell me the factory settings for the crf 21.not the new one
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Old 06-04-2009, 12:44 AM   #1508
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sorry I commented something that was a year old posting
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Old 06-19-2009, 04:15 AM   #1509
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hi.
does anyone have try the new clutch from orion for the rrr?#ori88691
does it use the #ORI88637 flywheel?
can i buy the bell only?
does it has the same clutch parts with the crf clutch that was coming with the crf engine set?
thanks!
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Old 07-02-2009, 09:34 AM   #1510
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I have a question
This dynamometro I it can buy in some place┐?
In case of being able to buy it to that I coast┐?
If I cannot buy it I can obtain the planes of dyno┐?

Last edited by isidur; 10-03-2009 at 10:43 AM.
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Old 01-15-2010, 10:15 AM   #1511
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i try to find i direct pin clip for this engine.i can't find any.i have try novarossi,and grp but they are not the same.this engine need a thinner clip.can someone say if the sirio clips can be used?
thanks in advice!
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Old 05-30-2010, 05:42 PM   #1512
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Hi,

I'm getting the Kyosho X312T version of this engine soon. Will be running 16% nitro fuel and looking at using the no.6 orion glow plugs. What is the head clearence of this engine from factory and what head clearence should I use with 16% nitro fuel? I'm thinking the head clearence to use is 0.1mm?
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Old 05-30-2010, 09:48 PM   #1513
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yes.0.1mm.
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Old 06-05-2010, 12:16 PM   #1514
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Is it me or have the parts supply for the CRF Wasp .12 completely dried up.

Since the wasp .12 is no longer available, can anyone confirm if the Alpha .12 parts will work?
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Old 06-05-2010, 12:49 PM   #1515
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Raman Try bartz parts or barts partz

I bought a cranck not so long time ago.. good service
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