Maintenance & Technical > KX500 Original

KX500. non sealing exhaust header pipe

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kaw rider:
what oil are you using
how many hours or minutes on rebuild.

Hillclimb#42:
Silencer is probably loaded with oil. search for the jetting on chart using search at top. It should be jetted close to chart after rebuild. Hows th air filter? Checked the reeds while apart?

WRXBRUMBY:
Cheers kx500 freak will read up on it.

KXcam22????..
Oil: I use Motul 100% synthese, Offroad 800 ester 2T(hehe that?s what it says on the bottle)

Plug: BR8ES (NKG)
Riding conditions: 0-500m (0-1640 feet)

Jetting: Jet is one below factory ( soz I need to read up on how to check jet sizes I don?t know how to remove them, and check sizes)

Open to all suggestions cam?.cheers

Kaw rider
Bout 3-4 hrs since rebuild

Hillclimb 42.
Yeah ive seen jetting chart and will try to understand it when I know how to fiddle with the jets thanks. Will check air filter next and reeds are new. Air filter looked ok from inspection holes(are these breathers?) might have to pull it apart and see. Heheh only couple hrs since rebuild. I assumed he gave it a clean for me(im doubting it now)

Hillclimb#42:
 There's a nut on bottom of fuel bowl. First you'll have to loosen the carb clamps and turn bottom towards you. Loosen that nut, gas will come out. then the little nut you see inside carb is main jet. take it out and look through it to be sure its clear. Its small, but you should be able to see light through it. The size is on the end.
  Alot of times, as a bike wears, you are forced to fatten up mixture and jetting to keep it tuned, but after rebuild, you have to find your way back to leaner settings.
  I would leave timing alone for now, but you could always pull the ignition cover and see that the timing marks line-up. There's three lines right next to each other on stator, one on case. Middle line of stator should line-up with line on case as factory setting.

KXcam22:
WXR,
  The offroad mixing ratio spec for that oil is 50:1.  Correct plug but the BR8EIX will give you better performance.  I prefer the BPR8ES.  If you are just learning the carb it might be best to take it off the bike and play with it on the bench.  Then it is easy to see all the jet numbers. Cam.

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