Yardworks 60-1643-0 Owner's Manual page 30

Troubleshooting
Do not attempt to service or replace major engine components, or any items that require special
timing or adjustment procedures. This work should be performed by a Kohler authorized dealer.
Problem
Will Not Start
Hard Starting
Stops Suddenly
Lacks Power
Operates Erratically
Knocks or Pings
Skips or Misfi res
Backfi res
Overheats
High Fuel
Consumption
Engine Specifi cations
Model Bore
XT650, XT675 2.56 in.
(65 mm)
2.75 in.
XT775
(70 mm)
*Exceeding maximum angle of operation may cause engine damage from insuffi cient lubrication.
Additional specifi cation information can be found in service manual at KohlerEngines.com.
Exhaust Emission Control System for models
California, and Europe.
Any and all horsepower (hp) references by Kohler are Certifi ed Power Ratings and per SAE J1940
& J1995 hp standards. Details on Certifi ed Power Ratings can be found at KohlerEngines.com.
8
Dirt In
No Improper Fuel
Fuel Fuel Line
● ● ●
● ●
● ●
● ●
● ●
●
● ●
● ●
● ●
Stroke Displacement
9.1 cu. in.
(149 cc)
1.8 in.
(45 mm)
10.6 cu. in.
(173 cc)
KohlerEngines.com
Possible Cause
Dirty
Debris Incorrect
Screen Oil Level
●
●
● ●
● ●
●
●
●
● ●
Oil Capacity
(Refi ll)
20 oz.
(0.60 L)
XT650, XT675, XT775 is EM for U.S. EPA,
Engine Dirty Air
Overloaded Cleaner
● ●
● ●
● ●
● ●
● ●
●
●
● ●
● ●
● ●
Maximum Angle
Spark Plug
of Operation
Gap
(@ full oil level)*
0.03 in.
(0.76 mm)
14 590 14 Rev. --
Faulty
Spark
Plug
●
●
●
●
●
●
●
●
●
20°