Maintenance & Technical > KX500 Original
All about reed spacers -
motopunk:
ride report...
it works well on my ´83 250, but i took the 4mm exhaust spacer out after first test ride.it where too much at bottom and little bit to less on top.
and second test ride with only the 10mm reed spacer and 2 exhaust seal rings:
--- whooohooo---exactly that what i wanted... :-D :-D :-D
smooth strong powerband from bottom to top with no significant diference on top.
it comes smooth out of the small slippery corners without the big rocket effect, when the rear wheel went out of control and i had to close the throttle ...
now i can also take earlier the higher gears..feels from bottom a little bit like my old ´93 kx250, that i had a long time ago... side effect is the engine starts better in cold.
i had also made an 5mm-reedspacer and some 1mm-gaskets, but now dont needed and goes in my spare parts for later projects. 8-)
sandblaster:
Nice.
I know it's older mods but who cares, people always appreciate it... :-)
motopunk:
--- Quote from: sandblaster on May 18, 2013, 09:22:31 AM ---Nice.
I know it's older mods but who cares, people always appreciate it... :-)
--- End quote ---
the men of steel speak less words and do more action... :-D
only reading is dry theory... and sometimes the older mods are much better than some new experiments...
this theme was new for me and its amazing to feel, how diferent the bike performs now... it will always lift up ihe front tyre in 2. and 3. gear if i turn the throttle to fully open 8-) . the bike never did this before the spacer-mod... engine runs 100% cleaner without the blubbering it sometimes made when heated up in a race distance.
i think this mods i added to my bike, will work also on any modern 125 to find more bottom to midrange-power...
climber05:
--- Quote from: alan on October 29, 2007, 10:01:54 AM ---I put on a reed spacer and a FMF Gnarly pipe and never changed the jetting at 4000 Ft. No problem! I just was easer to start, stopped fowling plugs and could run 1 gear taller in the boondocks without bogging down.
I really don't think jetting is a major issue, just watch the color of the plug and don't let it go to light brown.
Alan :-D
[/quote
Light brown is tan. Tan is good. Now im scared]
--- End quote ---
1901306708:
Had a little time on a dyno today. '13 kx500af with some porting
Vf3 reeds with no spacer made 62 peak at the front sprocket
With the spacer it made 58, but way more mid. Same tq from about 6500 to 8500 if I remember right.
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