Quote:
Originally Posted by Chris Scott
I have also heard that the later, more powerful 250s actually seemed slower alongside the older ones. The power must be found somewhere, maybe way up the rev range?
27 vs 31hp; perhaps they don't have Euro regs in Thailand.
Wasn't there a thing fitting a Thai ECU into restricted bikes?
Worked for a bit then Honda changed the plug.
Can't recall if it was the CRFs or something similar.
I think a Forza and similar scooter engines are quite a different bit of kit.
Hard to know where it starts and ends.
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Yep - youre into something there as I also have heared that getting a ECU from Thailand or Japan made the bikes noticably peppier. Maybe it was a ECU from the CBR250 as that bike was said to have ~ 27 HP compared to the first edition Crfs with 22,8.
I also think Thailand dont have the EU regulations and thus dont need to restrict their bikes to run so very lean as they do in EU. The funny/interesting thing is that I also get slightly better fuel milage on my more powerful thai Crf compared to my EU Crf Rally. Would be interesting to get a good explanation about that….?
The 286 cc Honda engine thats used in the 300 Crfs nowadays was used for several Honda scooters, the SH300i (very classic and cool scooters - my mate had one for a couple of years) and the Forza 300 - that now had become a 350 (330 cc in reality) Obviously the drivetrain is different but the rest of the engine should be mostly the same.
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