BR 8006
4.7 Engine will not idle, idle speed too high
4.8 Engine stops when throttle trigger is released
14. Check resistance of ignition lead.
Is resistance of ignition lead less than
10 Ω?
Go to 15. Replace ignition lead, @ 13.5.
Go to 15.
15. Is flywheel damaged? Replace flywheel, @ 13.3.
Go to 16.
Go to 16.
16. Have pole shoes turned blue? Replace flywheel, @ 13.3.
Go to 17.
Go to 17.
17. Is spline in flywheel hub in place and
undamaged?
Go to 18. Replace flywheel, @ 13.3.
Go to 18.
18. Test ignition system with ZAT 3 or
ZAT 4, @ 13.2.
Sparkover?
Go to 19. Replace ignition lead, @ 13.5.
Go to 19.
19. Does condition still exist? Look for fault in fuel system, test
engine for leaks, @ 19.3.
Repair completed.
Repair completed.
Check the following Yes No
Check the following Yes No
1. Test engine for leaks, @ 19.3.
Are oil seals or the crankcase
leaking?
Replace oil seals, @ 20.4 or seal up
or replace crankcase, @ 20.4.
Go to 2.
Go to 2.
2. Is throttle cable stiff? Replace throttle cable, @ 14.2 and
@ 15.2.
Repair completed.
Replace carburetor, @ 8.2.
Repair completed.
Check the following Yes No
1. Is MDG 1 analyzer available? Create diagnostic report.
Test blower with MDG 1 analyzer.
Repair completed.
Go to 2.
2. Remove air filter and install new air
filter.
Does condition still exist?
Reinstall the old air filter.
Go to 3.
Clean old air filter properly or fit new
filter.
Repair completed.
3. Piston seizure? Replace cylinder and piston, @ 20.5.
Go to 4.
Go to 7.
4. Is throttle shutter fully closed? Go to 5. Adjust throttle shutter correctly, @
9.4.
Go to 5.
5. Test tank vent, @ 10.4.
Is tank vent OK?
Go to 6. Fit new tank vent, @ 10.7.
Go to 6.
6. Is fuel system leaking? Replace fuel hoses, @ 8.2.
Repair completed.
Replace carburetor, @ 8.2.
Repair completed.
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