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Old 18-05-2016, 09:45 PM   #1
pitbikeryder
On Stabilizers
 
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Join Date: Feb 2016
Posts: 48
Bike: 125 crf70 frame
yx125 to yx140
wanting a bit more power outta my 125.could i put a yx140 head on my bikehttp://www.ebay.co.uk/itm/PIT-BIKE-YX140-PISTON-RINGS-CYLINDER-BARREL-REBUILD-KIT-YX-140CC-WPB-LMX-CW-M2R/281806175749?_trksid=p2047675.c100009.m1982&_trkpa rms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D1%26asc%3 D20140328180637%26meid%3D03b505840d6a4ed99c99185e7 b2479db%26pid%3D100009%26rk%3D2%26rkt%3D10%26mehot %3Dpp%26sd%3D291527258124 by the way my engine is a yx125 start in neutral
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Old 19-05-2016, 05:45 AM   #2
Mountain RFZ
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Join Date: Jun 2015
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Bike: RFZ 140 open
Re: yx125 to yx140
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Old 20-05-2016, 02:13 PM   #3
chace
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Bike: LMX MXT 160 4v
Re: yx125 to yx140
Yx 125 and yx 140 use the same head. You will gain absolutely nothing
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