RCMK S-254 EVO

janne created the topic: RCMK S-254 EVO

This thread discusses the Content article: RCMK S-254 EVO

Scott!

Thanks for a good review.


The article is good reading.
Nice to hear that the Combustion Chamber is altered.

Thanks!:drinks: :drinks:
#7862

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kriscros replied the topic: Re:RCMK S-254 EVO

great review, looking forward to running my evo:beach:
#7867

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Martin Carretero replied the topic: Re:RCMK S-254 EVO

sorry but can anyone please tell me the diff from s and sx model
#7870

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Scott replied the topic: Re:RCMK S-254 EVO

Martin Carretero wrote:

sorry but can anyone please tell me the diff from s and sx model


The SX has the BILLET crankcases

2 stroke Engine Tech of 30+ years, Prop tweeker, Chronic tinkerholic, Home of Motor Heads RC Racing Engines ...
8 time NAMBA National 6 lap heat racing record holder.
#7872

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kriscros replied the topic: Re:RCMK S-254 EVO

254sx has the special tournament head on it
254s is the old engine
254evo is the new redisigned engine
#7873

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SPDKNGG replied the topic: RCMK S-254 EVO

Im running this SX-254 RCMK in the NAMBA Dist.3 GX-1 Class Heats and I am loving the top end and power. Of course I injected it with power adders...thanks to Tim and the guys at Gizmo motors.
The "SX" designation is for the billet RCMK 4 bearing bottom end. Has watercooling passages cnc'd on the front of the case, fittings out the sides. I like the fact that the "SX-254 bottom end" has the adjustable timing plate for your coil, holes, spacers, nice stainless hardware. Really allows you to take advantage of props, and different fuels if your heat racing. The ability to set up for different water, lakes is endless with the combo...
#16425

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SPDKNGG replied the topic: RCMK S-254 EVO

Listen to the sounds of this SX-254 Evo..
Here some video of the RCMK SX-254 running speed are 69-73 mph.
#16426

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