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Posted

im trying to get the most torque out of my banshee to make it better for motocross so which would give me the most torque and bottom end power a longrod crank setup or a stroker crank i am currently running

 

dynoport 2into1 pipe

proflow intake

trinity 2into1 carb

noss machine head w/19cc domes

wiseco pistons

speed freeks full port

Posted

sounds to me like you already have a ton of low end power. long rod wont increae power, it will simply increase reliability. 4mm crank will give you more power but youll have to redo the porting in your cylinders to make it work right. i persononally highly recommend eric gorr's woods port. itrs got awesome low end and midrange power. i dont know about the porting you have but by "full port" i think of top end...

Posted
im trying to get the most torque out of my banshee to make it better for motocross so which would give me the most torque and bottom end power a longrod crank setup or a stroker crank i am currently running

 

dynoport 2into1 pipe

proflow intake

trinity 2into1 carb

noss machine head w/19cc domes

wiseco pistons

speed freeks full port

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What about a timing plate??

Posted

how about gearing

Posted

The lighter flywheel gives more throttle response only the bad on it is that if you remove to much it stall easier than the heavier (the heavier one has more inertia that way it dosn

Posted

I'm going out on a limb here but I bet that dirtwheels wasn't discussing the flywheel effect on a twin cylinder 2 stroke was it? Maybe more like a single cylinder thumper. A single thumper has a power stroke every 2 revolutions of the crank where as a banshee has 2 power stokes per revolution. The thumper uses the flywheel to aid in that revolution where there is no power stroke. What's the flywheel for on a banshee? Lights & ignition.

Posted
I'm going out on a limb here but I bet that dirtwheels wasn't discussing the flywheel effect on a twin cylinder 2 stroke was it? Maybe more like a single cylinder thumper. A single thumper has a power stroke every 2 revolutions of the crank where as a banshee has 2 power stokes per revolution.  The thumper uses the flywheel to aid in that revolution where there is no power stroke. What's the flywheel for on a banshee? Lights & ignition.

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The same concept applys on two strokes as well.

Posted

I'm thinkin a heavier flywheel would help in motocross as it would have less tendency to stall in sharp corners and improve traction coming out of corners (less tendency to light the tires up). If your hookin up your makin time on someone who isn't.

Posted
The same concept applys on two strokes as well.

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Ride a bike set up for MX with and without a lightened flywheel, then tell me which is better. I would never go back to a stock flywheel, mine never stalls and I got power on the throttle when ever I push it. It's a whole different ballgame on the twin, if it were a single weight would be better. One of the best investments I've made on my bike right up there with the single carb and Gorr port.

Posted
I'm thinkin a heavier flywheel would help in motocross as it would have less tendency to stall in sharp corners and improve traction coming out of corners (less tendency to light the tires up). If your hookin up your makin time on someone who isn't.

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i put a heavier flywheel in the cr500 motor and only thing i noticed was that it had a little more on bottom. i think they are supposed to smooth out the power more, which it did to mine...i took it off tho once i had it stroked...

Posted
Ride a bike set up for MX with and without a lightened flywheel, then tell me which is better.  I would never go back to a stock flywheel, mine never stalls and I got power on the throttle when ever I push it.  It's a whole different ballgame on the twin, if it were a single weight would be better. One of the best investments I've made on my bike right up there with the single carb and Gorr port.

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Good for you, I envy your wisdom, experience, and knowledge. I think I'll go out and remove as much weight as I can off my trail motor, while I'm at it I' ll throw some CPI outa frame drag pipes on it. Power when you push the throttle...Good concept.

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