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2 stroke VS 4?????


wyoelkslayer
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For you bike gurus that have ridden or owned both the 2 stroke and 4 stroke bikes which do you prefer and why? Currently Riding a Cota 300rr but looking to trade it in and try a 2 stroke TRS 300 Raga for this year. Biggest drawback is going from injection back to a carb but shouldn't be too big of an issue it i get it jetted right. Whats the power comparison on the 2 stroke vs 4? I know with snowmobiles you need almost twice the horsepower in a 4 stroke to get the same performance as a 2 stroke. Plus the weight savings is nice on the TRS. Thoughts? 

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Trials ain't snow mobiling and the power factor is less relevant, and certainly not in the proportion you quote.  My 4RT has beefier power than the 200 Beta I had before but I can't say either is/was lacking.

I had a shot on a 250 TRS and was most impressed with the clean carburetion.

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It's all a matter of personal tast, I have been on both and my brain likes 4T's so I seem to stick with them.  

I play on my wife's 2T often and it's nice how light it feels just brain timing gets me.  I tried several other 2T's 250 to 300 and will keep trying them from time to time because who knows if I ever might change my mind.

FYI: if you want a change without a new bike and haven't tried a fast throttle tube on your 300RR give it a go.  Best mod I ever did to my 17 300 RR.

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1 hour ago, jonnyc21 said:

It's all a matter of personal tast, I have been on both and my brain likes 4T's so I seem to stick with them.  

I play on my wife's 2T often and it's nice how light it feels just brain timing gets me.  I tried several other 2T's 250 to 300 and will keep trying them from time to time because who knows if I ever might change my mind.

FYI: if you want a change without a new bike and haven't tried a fast throttle tube on your 300RR give it a go.  Best mod I ever did to my 17 300 RR.

what are those and what do they do? 

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7 hours ago, wyoelkslayer said:

what are those and what do they do? 

Stock Montesa 300RR has a black throttle tube or slow turn, you can order a white or fast turn tube for a domino throttle and it will fit right on, it wakes the bike up a lot as it takes less turn on the throttle to get it to full.  really its the only modification I have on my 300RR and I love it.  

It might take a few rides to re-calibrate your self to the faster turn throttle however... 

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My 4RT ran more relaxed over long distance trials, had double the amount of engine revs if needed and carried a straight line up rocky sections. But I prefer 2 strokes, grip better on compact clay/mud, easier on downhills, less starting issues and easier to change direction in a hurry. 

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8 hours ago, jonnyc21 said:

Stock Montesa 300RR has a black throttle tube or slow turn, you can order a white or fast turn tube for a domino throttle and it will fit right on, it wakes the bike up a lot as it takes less turn on the throttle to get it to full.  really its the only modification I have on my 300RR and I love it.  

It might take a few rides to re-calibrate your self to the faster turn throttle however... 

Sweet thanks for the info, you got a link to the one i need? 

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24 minutes ago, wyoelkslayer said:

What do you mean? if its jetted right for the elevation im riding wont it run full power? i ride at 6500-8500 feet so im sure ill have to re jet for our elevation. 

All bikes are underpowered at elavation. That is why 300's are popular out west. You are on a UK forum, they pretty much ride at sea level. Even 125's run good there.

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Me I prefer 4stroke for enduro WR250 and WR450, the big engine is my favourite as it is more controllable and pulls like a tractor?? But for Trials it has to be 2stroke, engine is lighter and responds accordingly without the jackhammer effect! That’s a reason why some enduro riders prefer 2strokes too! It’s difficult to make a 4stroke any where as light as a 2stroke engine. Unless you have limitless amounts of money and access to highly sophisticated materials like unobtainium, tinsletide and scotchmistiomion.

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5 hours ago, wyoelkslayer said:

Sweet thanks for the info, you got a link to the one i need? 

Can't seem to find just the tube but I know you can get them.

here is the full assembly.  http://www.trialstoreusa.com/domino-fast-throttle-assembly/

my recommendation is give a shop a call and I bet you could get one ordered up quick.

also noted your in the US if so you can always contact Dennis at http://overlandtrail.biz/. Montesa parts is his business...

Edited by jonnyc21
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