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Jimmy Reviews the Honda 450L - He does not write for a magazine

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https://dirtbiketest.com/fresh-dirt/2019-honda-crf450l-first-riding-impression/#QpsL1oAFUdbPCFwQ.97

Jimmy tells it like it is, Not necessarily what you want to hear.  If you think he is a KTM lover, check his motocross review. ( He and his crew like the Blue Bike )

These days Dual Sport bikes are not race bikes.

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great write up.  Hope it sells well and pushes the other manufacturers into updating older dual sports or coming out with new models that fit the CRFL, DRZ, WRR, LC4, niche. 

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I like that there are many options in the duel sport world. This translates to more riders, more trail support, more fun teasing your buddies! 

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From the review:

"The engine was designed to last a long time, a Honda long time, so it won’t be as easy as changing out the muffler and hope it turns into a rocket. Due to the catalyst in the muffler and the restriction it causes, going to an open muffler will place engine fuel management into a very lean state. We were told that even taking the lid off the air box in not a good idea with the stock fuel mapping settings. Then you have a smaller exhaust header, steel valves, a lower compression piston and some rev ceilings that will make it difficult to get power easily. Dropping weight would be quick at first but also involves the muffler, hopefully the aftermarket is onto a solution already."

So, what would you have to do to add an open, aftermarket exhaust?  The ECU is "locked"... what does that mean?  It can't be remapped?

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12 minutes ago, tvscum said:

From the review:.

So, what would you have to do to add an open, aftermarket exhaust?  The ECU is "locked"... what does that mean?  It can't be remapped?

Correct. You'd have to add something like a jd tuner or vertex. Technically making the bike off road only.

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