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Magnum Center Glides and crank replacement don s 11 456 11-22-2014 01:52 PM
Santiago P
most powerful engine wimpytwins 12 1172 11-14-2014 08:04 PM
LarsL
Header tank not full rudyy 5 284 11-10-2014 04:34 AM
don s
Best muffler/pipe for OS 55HZ cmsilvoy 13 702 11-08-2014 01:34 AM
Rob43
New YS 120SR-X won't start - what is idle needle setting? ticedoff8 9 419 11-07-2014 12:34 AM
EEngineer
My O.S.105 HZ issues... rcnut 18 746 11-06-2014 07:20 PM
rcnut
O.S Gas Engine GT15HZ bakiman 3 357 10-30-2014 07:00 PM
bakiman
Macs muffler for OS 55HZ. jake21 0 186 10-30-2014 01:47 AM
jake21
os105 Hz R and fuel Luis01 5 367 10-30-2014 01:35 AM
Rob43
Magnum Mad pipes. jake21 0 230 10-29-2014 12:32 PM
jake21
50Hyper eats piston ring, fix it or buy new? Cherokeepilot 3 340 10-26-2014 03:41 PM
John Krebs
91srx or 120srx blucido 14 919 10-25-2014 09:47 AM
RussJ
YS120SR-X ( page 1 2 3 4 ... Last page ) mpafonseca 148 8070 10-23-2014 07:00 PM
jonesheli
A question about these new gas engines FenderBean 6 364 10-22-2014 05:59 PM
Four Stroker
YS120 SRX Crankcase Failure jonesheli 10 554 10-22-2014 07:57 AM
jonesheli
YS 91 SRX Tareq jmiceli11 3 527 10-17-2014 04:26 PM
Knuckledragger
OS ENGINE 91 HZ & 91HZ-R Has Been Discontinued ( page 1 2 ) Helicrazy4 37 1348 10-14-2014 08:41 PM
Rob43
OS105HZ-R Muffler PaulBowen 9 502 10-05-2014 04:29 AM
Rob43
Nitro % and RPM don s 11 632 10-03-2014 04:22 AM
Gearhead
Go Engines Papa Sal 14 901 09-27-2014 06:14 PM
fastflyer20
fuel magnet vs OS bubble less clunk BrianApp 17 705 09-25-2014 03:14 AM
utahbob
OS55 with cy mp5 pipe? JAYHELI 1 268 09-16-2014 05:23 PM
rexxigpilot
Need a 50-60 size fuel tank.... cmsilvoy 1 247 09-14-2014 04:30 AM
Ghia
OS105 Head Shims For 22.5% nitro ? duckmansweb 1 326 09-13-2014 01:51 PM
dchekas
Bottom plate sensor on YS91-SRX rudyy 15 480 09-04-2014 04:45 AM
Glenn Goodlett
HYPER OS 50 epryor 4 360 08-26-2014 01:56 AM
dkshema
YS 80 won't run worth a !@#$ Help! ( page 1 2 3 ) AirCowboy 40 1108 08-20-2014 10:18 AM
Mike0251
YS91SRX vs 3DS rudyy 5 567 08-19-2014 10:33 PM
hyflyr
Os 55 hz tuning question michael88997 12 616 08-19-2014 06:45 PM
Rob43
Which plug to use mookie 11 618 08-14-2014 08:24 PM
dcasole
Thunder Power RC . Mikado . Futaba-RC
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