6-2
1
2
3
4
5
6
7
8
9
10
TR
OUBLESH
OO
TIN
G
ENGINE STARTS BUT STALLS
ENGINE STARTS BUT STALLS
No.
Checking steps
Possible remedy
1
Check the fuel level.
Add the fuel if it is insufficient.
2
Check if the fuel tank cap (canister) is clogged.
Clean or replace.
3
Check if the fuel cock is clogged.
Clean.
4
Check if the fuel hoses is clogged.
Clean.
5
Check if there is air suction from the carburetor joint, gas-
ket, or throttle shaft.
• Tighten the carburetor nuts securely.
• Replace the carburetor joint or gasket
with a new one.
6
Check the compression pressure.
(Refer to “MEASURING THE COMPRESSION PRES-
SURE” on page 3-1)
Too high:
Decarbonize the combustion chamber if
there is carbon deposits.
Too low:
Next checking steps.
7
Check the valve clearance.
(Refer to “ADJUSTING THE VALVE CLEARANCE” on
page 2-11)
Adjust the valve clearance.
8
Check if there is seizure, wear, or damage on the piston,
piston ring, or cylinder.
(Refer to “PISTON, CAMSHAFT, CRANKCASE, AND
CRANKSHAFT” on page 3-32)
Rebore or replace.
9
Check the TCI unit air gap.
Adjust.
Summary of Contents for MX250
Page 2: ...7VE F8197 10_Cover indd 2 2017 03 16 16 24 50 ...
Page 86: ...5 1 1 2 3 4 5 6 7 8 9 10 ELECTRICAL ELECTRICAL CIRCUIT DIAGRAM B B B B B B B B W Y 1 2 3 4 5 ...
Page 100: ...6 6 1 2 3 4 5 6 7 8 9 10 TROUBLESHOOTING GOVERNOR OPERATION MEMO ...
Page 116: ...7 16 1 2 3 4 5 6 7 8 9 10 SPECIFICATIONS WIRE ROUTING DIAGRAM TCI UNIT ...
Page 120: ...APPENDIX CIRCUIT DIAGRAM B B B B B B B B W Y 1 2 3 4 5 ...
Page 122: ...MEMO ...
Page 123: ...7VE F8197 10_Cover indd 2 2017 03 16 16 24 50 ...