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Evo 200 upgrade to 250?

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How can you change a 2018 Beta Evo 200 to a 250 power wise? If not possible, can you improve the power quite a bit with other changes to the engine? Thanks a lot for your help.

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4 hours ago, Markws80 said:

Sell the 200

and buy a 250

That really does seem the best advice. Trying to make one bike into something it's not is usually expensive and not as effective as hoped

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Changing your 200 into a 250 will possibly create issues when you want to sell it. Potential buyers would go for the unadulterated 250. 

As already mentioned there will be other parts needed and the cost ( unless you are minted in which case you wouldnt be asking this question) may well not be worth it,

Getting more power from your 200 may be the better option, ensuring everything's spot on with the rolling stock, wheel bearings, seals, brakes, suspension and steering. Turning to the engine and transmission, ensure you have the optimum final drive ratio and chain and sprockets are all good. Potentially down sizing the chain to a few grades down ( lighter weight ) and sprockets to match if available. 

The engine obviously needs to be in excellent condition, crank and crank seals and all gaskets in servicable condition. Carb jetted correctly, going for a larger choke card may reduce the available torque. Exhaust clean inside and the correct tail pipe installed. 

Obviously a porting job done properly will release a little extra power, but care needs to be taken as having gobs of power is no replacement for torque ( pulling ability). Contact a proven trials engine tuner for advice. 

Using race fuel or octane booster will help in your quest. Fuel oil mix ratio is all important to help give that little bit extra.

You’ll end up with a nice non threatening 200 with power approaching that of or slightly more than a 250, might be a bit more revvy though. ??

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It has been mentioned in previous threads about the lack of available bikes in Canada but I would suggest the best route would be change the whole bike unless of course you enjoy a challenge. 

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