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TemporaryInsandity.com  |  General Category  |  ATV's  |  TWO-STROKE VERSUS FOUR-STROKE MOTOCROSS YZ250 VS YZ250F « previous next »
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Author Topic: TWO-STROKE VERSUS FOUR-STROKE MOTOCROSS YZ250 VS YZ250F  (Read 706 times)
woodsrider
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TWO-STROKE VERSUS FOUR-STROKE MOTOCROSS YZ250 VS YZ250F
« on: July 06, 2010, 11:46:02 AM »

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SANDDEMON
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Re: TWO-STROKE VERSUS FOUR-STROKE MOTOCROSS YZ250 VS YZ250F
« Reply #1 on: July 07, 2010, 06:52:35 AM »

Great read, and the part on maintaining the bikes dollar for dollar was no surprise. I hear so many people complain at the shop about the rebuild cost of there four strokes. Not so on  2 strokes. And it's a big difference...
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Sandflicker
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Re: TWO-STROKE VERSUS FOUR-STROKE MOTOCROSS YZ250 VS YZ250F
« Reply #2 on: July 12, 2010, 09:27:22 PM »

That's true Sanddemmon - and I'm not putting down 2 strokes rode them a lot of years - but I think you'll rebuild a 2 stroke ore often than a 4 stroke.  Jmo
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Sandflicker
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SANDDEMON
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Re: TWO-STROKE VERSUS FOUR-STROKE MOTOCROSS YZ250 VS YZ250F
« Reply #3 on: July 25, 2010, 05:13:16 PM »

Still on that 4 stroke honey moon SF?  Grin
I encourage rider/owners of performance 4 strokes to call and talk to some engine builders, go to a race track and talk to pro riders/riders  about the life of there motors and the cost of a rebuild and frequency of there builds. Piston Life?
1) Cascade Innovations = Chris
2) Redline Racing = Cameron
3) Grand Prix cycles
4) Albany Supercross track , Albany.
Banshees  were in production here  for nearly 20 years . There is alot of used parts out there, helps on rebuild costs.
On the performance side of cost, a Cheetah cub cylinder is more in line with a  4 stroke head replacement cost wise.
2 strokes are faster and easier to work on, and even the book says that.
If you do all your own work that helps alot.
Some manufacturers have a 50 hour replacement interval on there 4 stroke  piston, at the track  one pro has taken his piston to failure 2 times right at the 90 hour mark on his 4 stroker.  As for power increase for the buck the 2 stroke gets more.
I'm not beating up on 4 strokes, just spreading the word on maintenance costs of a 4 stroke. The Honey moon is over now and many people are having to rebuild them and its not cheap. And with the economy like it is .......
See this at the shops/track and my Friends that have done motor work.
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Sandflicker
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Re: TWO-STROKE VERSUS FOUR-STROKE MOTOCROSS YZ250 VS YZ250F
« Reply #4 on: July 25, 2010, 09:24:19 PM »

Well SD, I'll have to let you know when the day finally comes.   Grin
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Sandflicker
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SANDDEMON
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Re: TWO-STROKE VERSUS FOUR-STROKE MOTOCROSS YZ250 VS YZ250F
« Reply #5 on: July 26, 2010, 06:22:56 AM »

gotta ride'm to wear'em out SF.  Grin
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