| General
Four-Stroke Starting Procedures |
- If the engine is cold, it may help to turn up the idle screw slightly to aid in warm-up and
give the engine a little extra fuel.
- Turn the choke to full
on.
- Pull in the compression
release lever, if so equipped, and push the kick-starter through 3
or 4 times. This will prime the engine with fuel.
- Without the compression
release lever pulled in, slowly push the
kick-starter around to get the piston to top dead center. You'll know this when the kick-starter
becomes hard to push down (indicating compression stroke).
- Allow the kick-starter
to return to the top.
- Pull the compression
release lever in and push the kick-starter down just a little (around an inch and a half or two). This
gets the piston just past top dead center.
- Let the compression
release lever back out and bring the kick-starter back up to the top.
- Now
push the kick-starter down with as much force as you can and it should fire up. If it
doesn't, wait a few seconds and try the procedure again.
|
| Honda
XR650R - Ken A. Moore |
Cold engine (cool outside)
- Do not twist the
throttle, no matter what you think or feel, or you
will flood it.
- Choke full on, ignition
off.
- Pull in compression
release and kick the engine 4 kicks. This primes the
engine.
- Ignition switch on,
choke on. Slowly kick the engine until TDC (the hard
spot), then stop.
- Pull in the compression
release and gently push the kick leaver so the engine
is just past TDC, then stop. Release
the compression release leaver.
- Now give her a nice firm
kick of the kick starter. DON'T TOUCH THAT THROTTLE!
She should fire up. If not, go back to #4.
- Move choke to 1/2
position. DON'T TOUCH THAT THROTTLE!
- After about 60 seconds
turn off the choke. DON'T TOUCH THAT THROTTLE!
- After about 2 minutes
and the engine is getting warm, you may now slowly
twist the throttle but go easy until fully warmed up.
For warmer conditions use
1/2 choke for initial startup.
For engines that are
already warmed up, go just past TDC and kick with no
throttle. Make sure the air/fuel screw is adjusted
correctly and the idle is a little on the high side for a
little easier starting on cold days, then turn it down
after warming up. |
| If you have a starting
procedure for a particular make and model four-stroke,
please email it to the Webmaster listed on the Contact
page. Don't forget to reference "Thumper Starting
Procedures" on your email. |
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