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Author Topic: 2t vs 4t Debate Thumpertalk  (Read 6799 times)

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Offline opfermanmotors

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2t vs 4t Debate Thumpertalk
« on: March 20, 2011, 11:20:04 AM »
http://www.thumpertalk.com/forum/showthread.php?t=964946

Lots of ppl are saying the price of rebuild a 4t is exagerated and that it's not really more expensive than a 2t.

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Offline eprovenzano

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Re: 2t vs 4t Debate Thumpertalk
« Reply #1 on: March 20, 2011, 12:01:50 PM »
 ll I know is I have over $500 in my sons quad. I've replaced the crank, crank bearings, timing chain, timing. chain tensioner, timing chain guides, bored out the cylinder, new piston and rings. I've done all of the work myself. If I had to pay someone. It would easily be over $1,000. I'm thankful I don't have to replace valves. ( I replaced the valve seals last winter).  And this is for an old reliable honda xr 400 motor. 
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Offline MyckMcClung

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Re: 2t vs 4t Debate Thumpertalk
« Reply #2 on: March 20, 2011, 06:30:50 PM »
The people saying that have appearently never owned a 2st.
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Offline ACMX

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Re: 2t vs 4t Debate Thumpertalk
« Reply #3 on: March 21, 2011, 12:01:09 AM »
Lol. One guy said you can totally rebuild a 450 for around 700 dollars. Haha. Maybe he forgot the cylinder.
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Offline downonmonday

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Re: 2t vs 4t Debate Thumpertalk
« Reply #4 on: March 21, 2011, 11:28:04 AM »
I know my total top end rebuild on my 2000 CR 250 just cost me about $158. (Cometic complete top end gasket set, Wiseco top end, and radiator fluid)
I know when I rebuilt my RMZ 250 top end only, it cost me $210 for just the piston/rings and several top end gaskets.
It is extremely cheaper to rebuild a 2T compared to a 4T. Don't even get me started on how much it cost me to completely rebuild the RMZ's engine.  >:(
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Offline msambuco

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Re: 2t vs 4t Debate Thumpertalk
« Reply #5 on: March 21, 2011, 01:49:49 PM »
A guy we ride with did his RM450 top end to freshen it up. Nothing broken. Cost $500 with him doing some of the work. I would have to go out of my way to try and spend over $200 on my YZ250.
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Offline miedosoracing

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Re: 2t vs 4t Debate Thumpertalk
« Reply #6 on: March 23, 2011, 08:05:00 AM »
Our #1 hurdle is getting, ourselves included, everyone to understand and to compare cc vs cc.  Almost every debate I go see, it says my 450F is great bla bla bla, compared to my old 250 2 stroke. 
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Offline JohnN

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Re: 2t vs 4t Debate Thumpertalk
« Reply #7 on: March 23, 2011, 08:10:27 AM »
Quote from: miedosoracing on March 23, 2011, 08:05:00 AM
Our #1 hurdle is getting, ourselves included, everyone to understand and to compare cc vs cc.  Almost every debate I go see, it says my 450F is great bla bla bla, compared to my old 250 2 stroke. 

I agree 100%!
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Offline miedosoracing

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Re: 2t vs 4t Debate Thumpertalk
« Reply #8 on: March 23, 2011, 08:34:29 AM »
Quote from: John Nicholas on March 23, 2011, 08:10:27 AM
Quote from: miedosoracing on March 23, 2011, 08:05:00 AM
Our #1 hurdle is getting, ourselves included, everyone to understand and to compare cc vs cc.  Almost every debate I go see, it says my 450F is great bla bla bla, compared to my old 250 2 stroke.  

I agree 100%!

Oh, and along with that, getting magazines to run complete 250cc shootouts and open class shootouts....
« Last Edit: March 23, 2011, 08:43:10 AM by miedosoracing »
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Offline burn1986

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Re: 2t vs 4t Debate Thumpertalk
« Reply #9 on: March 23, 2011, 09:37:31 AM »
I agree. There are strong vocal personalities who issue bad propaganda about the equal displacments - Davey Coombs. If he was neutralized, then it might have a chance. For some reason, everyone hangs on what he says, and is affraid to make him mad. And of course, he's affraid to make the Japs mad. The cc for cc change would be the easiest change in the world to make for the AMA, but they're polarized by the thought of Marvin Musquin showing up and beating everyone so badly on a KTM 250SX, that they won't even consider it (these are the words out of DC's mouth).
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Offline miedosoracing

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Re: 2t vs 4t Debate Thumpertalk
« Reply #10 on: March 23, 2011, 09:58:38 AM »
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Offline CCOADY454

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Re: 2t vs 4t Debate Thumpertalk
« Reply #11 on: March 23, 2011, 11:26:45 AM »
Yeah perfectly put and been preached by all of us for years.


DO YOU THINK THAT 250 TWO-STROKES SHOULD BE ALLOWED TO RACE AGAINST 250 FOUR-STROKES?
 
ROGER DECOSTER:  Yes. I think it would be fine. The two-stroke makes more horsepower, but it makes it over a narrower range, while the four-stroke makes less power, but has a broad powerband. I think they are equal machines. The two-stroke would be better in sand and deep loam, while the four-stroke would be better on harder dirt. It takes a more talented rider to race the two-stroke and I can see where it would be difficult for most of the current 250 four-stroke riders to make the change. I'd wouldn't oppose a rule change.
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Offline Hondacrrider

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Re: 2t vs 4t Debate Thumpertalk
« Reply #12 on: March 23, 2011, 11:37:37 AM »
Quote from: CCOADY454 on March 23, 2011, 11:26:45 AM
Yeah perfectly put and been preached by all of us for years.


DO YOU THINK THAT 250 TWO-STROKES SHOULD BE ALLOWED TO RACE AGAINST 250 FOUR-STROKES?
 
ROGER DECOSTER:  Yes. I think it would be fine. The two-stroke makes more horsepower, but it makes it over a narrower range, while the four-stroke makes less power, but has a broad powerband. I think they are equal machines. The two-stroke would be better in sand and deep loam, while the four-stroke would be better on harder dirt. It takes a more talented rider to race the two-stroke and I can see where it would be difficult for most of the current 250 four-stroke riders to make the change. I'd wouldn't oppose a rule change.


I don't think he would have been able to say that when he was still working for Suzuki.
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Offline EJ

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Re: 2t vs 4t Debate Thumpertalk
« Reply #13 on: March 23, 2011, 01:08:26 PM »
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Offline miedosoracing

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Re: 2t vs 4t Debate Thumpertalk
« Reply #14 on: March 24, 2011, 01:44:42 PM »
Quote
I don't think he would have been able to say that when he was still working for Suzuki.

Foo Shoo>  Have you noticed how everyone in the industry talks about how good 2 strokes are, when they retire, or go to a team that have 2 strokes? 
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