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Old 03-07-2010, 12:44 PM   #1
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Default Sirio Extech .24

Any info here about this engine? If not can anyone please help me out on how good this motor is and if it is a long lasting motor?

Thanks for the help guys!
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Old 03-07-2010, 01:21 PM   #2
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Originally Posted by sluggo_sx8 View Post
Any info here about this engine? If not can anyone please help me out on how good this motor is and if it is a long lasting motor?

Thanks for the help guys!
Yes run a p3 or p4 plug or a sirio plug there the only two i use cause the threads fit perfect and seal nice. Also use a 2013 pipe it's the best IMO if u wanna try a 2057 it also works well with sirios, however the 2013 makes any sirio run the best. u mite wanna go up 1 tooth on the clutch bell to smoothin out the initial hit out of corners and give u longer top end cause that 2013 is a bottom end pipe. I personally don't have good luck with any sirio carb they are very inconsistent and u have to tune alot so I put o.s. Carbs on my extech and Orion, it helps alot trust me. These engines run cooler and can be lean at 230 degrees so make sure u tune the engine by sound and make sure it has that nice trail of smoke and it's not feeling to lean right from th tart because it needs to breakin for atleast a gallon so don't race tune till then.
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Old 03-07-2010, 03:17 PM   #3
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Cool thanks for the info, the motor I am looking at has 4 tanks on it and comes with a jp3 pipe. You think that would be a ok pipe for that motor other then the ones you listed?
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