Maintenance & Technical > KX450F / KX250F
jan de groot engine ,af frame
royceymon@hotmail.co.uk:
today couldnt have been any sweeter ,spend all day up cusses gorse practicing with my son ,was a bit cold but the sun came out and it was fast....meanwhile back at the workshop rog was tigging up the frame rails for me , i can tig but rog is the master !! will post some photos tommorow night if i get back from london at a sensible hour!! :-D
royceymon@hotmail.co.uk:
finnaly making some progress , next step welding brace on where frame rails meet down tube to beef up ,mounting brackets for front and bottom engine mounts, top engine mount , get some mounts lazered out . remount rads and cut to suit ,change entry-exit points to suit ...have a rest....
royceymon@hotmail.co.uk:
Finaly making some progress ! engine mounts welded on ,front ,bottom .Top mount from kxf cut off made shorter re-welded on and new plates from frame to head fabbed,spacers for bottom and front engine mounts made on lathe to line up front to rear sprocket.
rhs rad fitts with only very slight mod , left hand well to long not sure to chop off part of bottom and reweld also making whats left bigger to take more fluid ...or get another rhs remove plates on side swop around to make it handed the other way , weld up the additional filler cap hole .
bizzarly my sons rad grill from his 2006 kx125 fits straight on the kxf back to front rad !!
next task working out the flow from kxf hoses and rads to kx250 pump etc set up not sure what the rotation is????
im assuming hot fliud to top of rad colder from the bottom??? sure i saw some diagrams somewhere on this site ?? any ideas guys???
royceymon@hotmail.co.uk:
found the diagram on my favorites from the sweedish gent hopefully full steam ahead only the airboot usual probs to slow me down , not sure how the exhaust is gonna work poss use a 2004 0r 2005 if the 2003 is a bad fit , might cut and tig to suit
stevea100m:
Im using the 03 motor and the pipe comes close but still clears. One guy in the 500 section used the radiator off of a yz80 for the left side. said it fit right on the bike.
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