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Enduro Engine - 2 stroke Cylinder, Piston, Tranny, Bearings, Clutch, Pipes & Silencers, etc. |
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#1
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More power
I've recently upgraded to a 2015 30th anniversary 300 , problem is it feels down on power compared to my older 2011 300 , and I'm getting smoked by my mates ktm 300 , where do I start I've recently done the top end what next ?
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Just need to test it love , only be a hour |
#2
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Can you describe the power delivery of your engine? What is your gearing? Does the KTM pull away during acceleration, top speed or both? Has your cylinder head been cut to correct the squish and compression? Once you do that you can more easily get the jetting set correctly. What pipe and silencer do you have on your bike?
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#3
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Bike is standard with standard gmf exhaust , compared to my old gas gas the power just feels like a 250 , I haven't checked the power valve to see if there's any slack maybe that's my next move , any explosive midrange jetting specs out there ? Mostly do fast enduro x country
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Just need to test it love , only be a hour |
#4
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Does your engine have the adjustable power valve? If it is a 15 it should, but the '14 "30 years" bikes didn't (if I remember correctly).
If so equipped, that could be a place to start.
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Anders "So you know, that you're over the hill when your mind makes a promise that your body can't fill" (Little Feat: Old Folks Boogie) 2015 EC200 Racing: TE bars, Rekluse Core Exp 3.0, 38mm Lectron & Ohlins S3 steering damper 2006 EC200: 2011 plastics, Rekluse Z-Start, revalved KYB forks & Scotts steering damper 1998 Bimota Supermono 1986 Duc Mille S2 1975 Guzzi sidecar hack 1961 Morini Corsaro 125 etc |
#5
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No mines not got the adjustable power valve cover bIves a 64 plate , should I check power valve internals then for slack ?
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Just need to test it love , only be a hour |
#6
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You could of course do so, but I think there is more power to be found in correct jetting (and of course correct squish). My suggestion regarding power valve adjustment was to check if an adjustable power valve was adjusted to de-tune the power.
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Anders "So you know, that you're over the hill when your mind makes a promise that your body can't fill" (Little Feat: Old Folks Boogie) 2015 EC200 Racing: TE bars, Rekluse Core Exp 3.0, 38mm Lectron & Ohlins S3 steering damper 2006 EC200: 2011 plastics, Rekluse Z-Start, revalved KYB forks & Scotts steering damper 1998 Bimota Supermono 1986 Duc Mille S2 1975 Guzzi sidecar hack 1961 Morini Corsaro 125 etc |
#7
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Ok then can any body tell me the most powerful / explosive midrange /top end settings please
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Just need to test it love , only be a hour |
#8
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That would be a combination of jetting (n3XX needles are good options IMHO), exhaust system (pro-circuit or fmf fatty), power valve setting (2.5 to 3 turns out), base gasket (deck height and exhaust port timing), and having the head cut to clean up squish and maybe add some compression. Having the cylinder ported by a reputable tuner will help as well.
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#9
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Quote:
If it’s a 2015, it most certainly does have an adjustable power valve. If your swingarm is silver instead of black it’s a 15+ and has an adjustable power valve. It’s behind the large nut on the right side of the engine Sent from my iPhone using Tapatalk |
#10
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silver swing arm and a 64 plate but no adjustable power valve is it because it's a 30 the anniversary one
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Just need to test it love , only be a hour |
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