CARBURETOR
Troubleshooting
Engine Starts Hard
Possible Causes
Remedies
Primer malfunction
No fuel in carburetor
Carburetor bolts loose
Mislocated gaskets
Choke not closing fully
Repair or replace as necessary
Add the proper fuel-oil mix
Tighten bolts to 20 - 30 in.lbs. (2.2 - 6.2 Nm)
Loosen bolts, realign gaskets, and tighten
Adjust choke or throttle/choke cable
Engine Runs Rich
Possible Causes
Remedies
Dirty air cleaner
Clean or replace and re-oil air filter element
(DuraForce engines)
Dirt in carburetor
Clean carburetor, fuel line and tank
Inspect and correct problem
Primer line pinched
Dirt in primer vent
Choke not opening fully
Clean and/or replace as necessary
Adjust choke or throttle/choke cable
Engine Runs Lean
Possible Causes
Remedies
Carburetor bolts not tight
Tighten bolts to specifications
Replace or reseal
Crankcase gaskets or seals leaking
Main jet partially clogged
Clean jet
Pilot jet or circuit clogged
Clean pilot jet and passages
Fuel Leaks From Carburetor (Leaking is continuous and fully drains fuel tank)
Possible Causes
Remedies
Dirt under inlet needle
Remove inlet needle and seat. Then clean or replace
and pressure check.
Bowl vent plugged
Remove bowl and clean with compressed air
Replace float
Float sinking (heavy)
Float stuck (gummed carburetor)
Remove bowl and clean carburetor
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| Categories | Lawn Mower Manual, Lawn-Boy Lawn Mower Manuals, Toro Lawn Mower Manual |
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| Language | English |
| Product Brand | Toro. Customer Service Representatives are available by phone:
Monday - Friday 7:30 a.m. to 9:00 p.m. (CDT) - Saturday 8:00 a.m. to 8:00 p.m. (CDT) - Sunday 10:00 a.m. to 8:00 p.m. (CDT)
Canada 1-888-225-4886 USA 1-888-384-9939, Lawn Mower |
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| Publisher | toro.com |
| Wikipedia's Page | Toro Company |
| Copyright | Attribution Non-commercial |
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