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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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Stroker Crank
Does anyone sell a drop in stroker crank? if not, who is a recommended builder to do the work?
Thank you, John |
#2
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For a 2 stroke? I have two used 2 stroke cranks for sale if you want one to send out to have work done on and not tear down what you have.
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#3
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WHat is a stroker crank? Tried google but not sure it is giving me the right answers
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2003 txt250 Pro 2013 Ossa 280i |
#4
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Well the easy way is to find a rod with a bigger pin so you can offsetbore the crank for more throw.
Why would you bother? The right needle and a head reshape will bring you more performance
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'07 EC300 GG '14 TXT250 GG '? 496 CPI Cheetah RZ/RGV hybrid '22 765 Street Triple RS '21 XTrainer '69 Stinger T125 Suzuki '23 TRS 250RR (it's a Trials thing) |
#5
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Its a crank with a longer than "normal" stroke.
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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 |
#6
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Quote:
Big bore kit is another option. |
#7
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If I remember right Jim Cook used to have a stroked out 250 - maybe he'll have some info for you.
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#8
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does that not increase the compression?
What are the benefits of this mod over just ensuring proper squish or modifying the head (insert) to increase the compression?
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2003 txt250 Pro 2013 Ossa 280i |
#9
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Quote:
You would have to raise cylinder to bring the compression down to normal, often done by placing a spacer under the cylinder. But on a twostroke, a stroker crank would also lead to changes in the port timing, making it more difficult to just add a spacer.
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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 |
#10
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Quote:
RB |
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