The new ron wood "thebom" 14:1 piston!!
#21
06-06-2005, 03:50 PM
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The new ron wood "thebom" 14:1 piston!!
Originally posted by: OregonDunePatrol
Here is just a little more info to add - I talked with Elliott today regarding the CP pistons they carry. Each of the CP pistons they carry, including the 14:1 piston, are made specifically for the combustion chamber of the DS650 Rotax motor. The result is a more accurate compression rating.
Here is just a little more info to add - I talked with Elliott today regarding the CP pistons they carry. Each of the CP pistons they carry, including the 14:1 piston, are made specifically for the combustion chamber of the DS650 Rotax motor. The result is a more accurate compression rating.
All aftermarket DS650 Rotax pistons with a dome (accept for Pami and TVI)are machined specifically for the combustion chamber of that motor. This not a great revelation or rocket science.
#22
06-06-2005, 04:06 PM
The new ron wood "thebom" 14:1 piston!!
I have a Pami piston made by JE for my DS that has a dome machined to fit the very unique shape of my DS chamber. There are several people on this post saying that it is not really made for my bike, and comments include that its diameter is not made for my bore, and its dome is not made for my chamber.
Now without anybody getting pissy or accusing me of trying to be a pirate, can somebody please explain the true logic here so that I and the rest of the people out here who have been running JE pistons for years and years might understand, because right now this discussion is leaving some stuff out and clarification is needed.
Now without anybody getting pissy or accusing me of trying to be a pirate, can somebody please explain the true logic here so that I and the rest of the people out here who have been running JE pistons for years and years might understand, because right now this discussion is leaving some stuff out and clarification is needed.
#23
06-06-2005, 04:08 PM
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The new ron wood "thebom" 14:1 piston!!
Originally posted by: shmee
it is with in 3 grams of his piston. and not to point any fingers but i heard that mrhp piston is not made for the 100mm bore. but his new one will be. and the new cp piston is as strong as the other cp's "nos"
it is with in 3 grams of his piston. and not to point any fingers but i heard that mrhp piston is not made for the 100mm bore. but his new one will be. and the new cp piston is as strong as the other cp's "nos"
There are no current purpose built forgings for the DS. ALL forgings being used are made for 98-102mm bore size and machined to fit the Rotax chamber.
The "mrhp" piston IS MADE for the 100mm bore but the forging is not specificlly designed for the Rotax combustion chamber just like all other forgings.
#24
06-06-2005, 04:20 PM
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The new ron wood "thebom" 14:1 piston!!
Originally posted by: Hightower
I have a Pami piston made by JE for my DS that has a dome machined to fit the very unique shape of my DS chamber. There are several people on this post saying that it is not really made for my bike, and comments include that its diameter is not made for my bore, and its dome is not made for my chamber.
Now without anybody getting pissy or accusing me of trying to be a pirate, can somebody please explain the true logic here so that I and the rest of the people out here who have been running JE pistons for years and years might understand, because right now this discussion is leaving some stuff out and clarification is needed.
I have a Pami piston made by JE for my DS that has a dome machined to fit the very unique shape of my DS chamber. There are several people on this post saying that it is not really made for my bike, and comments include that its diameter is not made for my bore, and its dome is not made for my chamber.
Now without anybody getting pissy or accusing me of trying to be a pirate, can somebody please explain the true logic here so that I and the rest of the people out here who have been running JE pistons for years and years might understand, because right now this discussion is leaving some stuff out and clarification is needed.
What I am talking about is the difference between machinig a useable forging to fit the dome into the chamber vs. having a custon forging built specifically for the Rotax chamber where no extra material is waisted in the wrong locations hence a lighter weight forging.
#25
06-06-2005, 04:56 PM
#26
06-08-2005, 12:22 AM
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#27
06-08-2005, 02:16 AM
#29
06-08-2005, 10:52 AM
