Maintenance & Technical > KX450F / KX250F
jan de groot engine ,af frame
Motorrad:
requesting pictures of intake ports. transfer tunnles, etc...
royceymon@hotmail.co.uk:
thanks dutchie your a life saver , makes sense now initials T.G can only be his engine ,there is also some very faint white paint pen initail again with T.G, id love to know what the engraving on the crank means !
motorrad i will try and get some shots of the transfers etc sometime this week , luckily its still stripped down at the mo , i must admit i was a little disapointed with the barrel it doesn't look realy ported out , it came in one lump so i guess it was what they run .mind you you wouldnt want any more power its a bit potent as is , i dont intent to do anything to it ,i think it would spoil the authentisity of it!!
photos of carb intake and magnesium pump
royceymon@hotmail.co.uk:
hi motorrad photos of the ports etc ,will do in 2 batches as i cant post too much at once regards jerry h
royceymon@hotmail.co.uk:
more engine etc shots
don46:
--- Quote from: DoldGuy on December 10, 2010, 05:17:04 AM --- I am still very curious of the gear sensor & how it ties in to the ignition as I have never seen one on the Kawis (Honda used to always use them back in the day).
--- End quote ---
All the Kawi 4t run the gear selector, they can alter the timing based on gear selection, they also increase the idle when in gear, this I believe was to help prevent stalling.
Interestingly, in 03 the 250 came with the PWK with power jet and TPS. but in this case they used an old stlye Kehin carb and modded wtih power jets external, there is probably jets under the brass screws. this piston doesn't look like the flat top pistons I've ran, it appears from the picture that it has some crown to it. The cylinder does not look as though it was ported, the SR designation on the Crank indicates that it was a factory race bike, they used to have the SR as in SR250, these were the real works bikes, the US hasn't had the full on works bike for years, of course even sayiing that they have suspension that cost more than my house.
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