Service Tips Kawasaki Throttle Adjustment.indd

Service Tips Kawasaki Throttle Adjustment.indd
MOWER ASSEMBLY
Kawasaki Throttle Adjustment
SERVICE TIPS
DIFFICULTY LEVEL - 2
Updated: 04/2016
1
Novice
2
3
4
5
5 to 10 Min
Journeyman
NOTICE:
This instruction assumes that you have already assembled
the Ybravo mower according to the Operator’s Manual
provided with the mower.
If you are unsure of how to use these instructions please contact
us by e-mail: service@ybravo.com
or by phone: 1.888.ybravo.1 (1.888.927.2861)
Before working - always follow all
instructions and warnings described in
the Operator’s Manuals for this mower.
STEP 1
Verify that the throttle control is adjusted properly as follows:
- Move the throttle control to the Choke position.
- In the Choke position the arm attached to the throttle cable at
the engine should bottom out at the arrow (1).
Tools needed:
2 pcs 10mm wrenches
1 pcs 10mm socket
1 pcs Phillips screw driver
Full Throttle
Idle Throttle
Engine Off
(BBC version)
FJ180V KAI Engine Specifications used by Ybravo:
“M22” used on 21” Zone Start
“M23” used on 25” BBC
“M24” used on 21” BBC
1
- 3300 RPM
- 3600 RPM
- 3300 RPM
Choke
Kawasaki Throttle Control Design
Throttle control on Zone Start engines.
1
2
When the throttle control bottoms out at (1) the choke arm
on the carburetor should also be fully engaged at (2).
Throttle control on BBC engines.
3
When the throttle control is moved to “Full Throttle” on the
handle the choke arm should move to the “open” position (3).
The methods for checking and adjusting RPM and Full Throttle
position is the same on all the Kawasaki FJ180V engines.
We are illustrating the procedures on the BBC engine for clarity.
The air filter has been removed on these pictures for clarity.
MOWER ASSEMBLY, Page 2
STEP 2
When operating the throttle control and if there is no contact at
(1), per STEP 1, it is possible to adjust the throttle cable at the
handle as well as readjusting the cable sheath at the engine (4).
STEP 4
On the Kawasaki engine it is possible to adjust the Choke
Engagement setting separately from the throttle.
Proper adjustment is normally made by Kawasaki at assembly.
If it is found that the Choke does not fully close after following
the instructions in Step 1 and Step 2 readjust the choke
engagement by turning the adjustment screw under the throttle
control bracket as illustrated.
Adjust the cable with
10mm wrenches
MAINTENANCE - SERVICE
Customers have occasionally reported that the throttle control
on the engine can get “sticky” from dirt and wear and not return
properly.
1
4
If the throttle control does not operate smoothly, clean and
lubricate the areas (6) between the panel assembly and the
rotating throttle plate.
STEP 3
If the throttle control and cable are properly installed and adjusted
it is possible to do a limited RPM adjustment at the engine by
sliding the throttle control bracket per below illustration.
- Loosen the two 10mm bolts that hold the bracket assembly
to the engine (5).
- Slide the bracket for a “Lower” or “Higher” engine speed.
- After sliding the bracket in the desired direction - tighten the
bolts - start the engine and verify the RPM.
Higher RPM
Lower RPM.
6
5
6
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