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Old 09-30-2013, 08:25 AM   #301
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Cool :) humm! Cant Wait

http://www.os-engines.co.jp/2013/r2101/



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Old 09-30-2013, 08:35 AM   #302
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All i see as diff is the head design & the current trend of longer stroke... and somethings going on with the rear bearing

Last edited by Stuff Of Legend; 09-30-2013 at 08:38 AM. Reason: Rear bearing
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Old 09-30-2013, 09:40 AM   #303
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Crankshaft is DLC coated.. not many in the market.
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Old 09-30-2013, 10:28 AM   #304
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Crankshaft is DLC coated.. not many in the market.
the previous model not DLC coated?
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Old 10-08-2013, 04:51 PM   #305
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Is this engine available already?
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Old 10-08-2013, 07:16 PM   #306
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Quote:
Originally Posted by kyosho malaysia View Post
the previous model not DLC coated?
Yes

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Is this engine available already?
No
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Old 10-13-2013, 02:41 AM   #307
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Quote:
Originally Posted by Stuff Of Legend View Post
All i see as diff is the head design & the current trend of longer stroke... and somethings going on with the rear bearing
What's up with the rear bearing?
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Old 10-13-2013, 10:19 AM   #308
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Looks bigger from the outside design of the block.
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Old 10-15-2013, 08:31 AM   #309
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does anyone know what pipe header combo all these guys from the worlds were running on the os, from what I see its the 2080sc pipe but the header I cant tell cause there using springs to connect the header to the pipe?
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Old 10-19-2013, 06:49 AM   #310
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Originally Posted by Valerio View Post
I'm breakin my OS Speed, takes about 3 liters. Running at a temperature of 90 , the engine begins to run fairly and reaches high rpm but at low rpm the engine has no power. Is this normal? The LSN is 4 and 1/2 turn out. could tighten more? Is this correct? Can i turn in it?
How come you used 3 liters to break in your engine?
Doesn't it should be 1-2liters?
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Old 10-19-2013, 06:51 AM   #311
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What is the difference between OS T-2080 and T-2080-SC?
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Old 10-19-2013, 09:09 AM   #312
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Originally Posted by victor1997621 View Post
What is the difference between OS T-2080 and T-2080-SC?
The SC pipe and manifold is held together by conventional method, the 3 spring. The one without SC is holding the pipe and manifold together by a 2 piece ring.

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Is this engine available already?
Pro Shop Futaba and RC champ already has them.
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Old 11-03-2013, 10:38 PM   #313
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Pics of the R2101, received today direct from Japan.

I have had a change of plans since ordering this engine, so it is listed in the for sale section if anyone is interested.
Attached Thumbnails
O.S. SPEED Tuned 21XZ-R-img_1226.jpg   O.S. SPEED Tuned 21XZ-R-img_1228.jpg   O.S. SPEED Tuned 21XZ-R-img_1229.jpg   O.S. SPEED Tuned 21XZ-R-img_1227.jpg  
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Old 11-28-2013, 05:43 AM   #314
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anyone knows the size of the r2101 bearings? are they the same as XZ-R?
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Old 11-30-2013, 06:00 AM   #315
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Quote:
Originally Posted by choisan View Post
anyone knows the size of the r2101 bearings? are they the same as XZ-R?
Front
os #23731020
SPECS: Outer Diameter: 19mm
Inner Diameter: 7mm
Thickness: 6mm

Rear
os #23730020
SPECS: Inner Diameter: (14mm)
Outer Diameter: (25.4mm)
Thickness: (6mm)
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