MAINTENANCE GUIDE
CS-2511TES
251Ts, 251TCs
83
Intervals
Inspecting point
Service
Reference
3 months 6 months
Daily or or
100 hours 300 hours
Screws and bolts *
Retighten / Replace
Air filter
Clean
4-1
Inspect / Replace
4-1
Carburetor
Inspect / Repair
4-8 to 4-15
Fuel leaks
Inspect / Repair
4-4, 4-7
**
Fuel line
Inspect / Repair
4-4, 4-7
Cooling system
Inspect / Clean
8-2
Spark plug
Clean / Regap
3-3
Inspect / Replace
3-2, 3-3
Fuel strainer
Clean / Replace
4-3
Leads and connections
Inspect / Repair
3-5, 3-6
Fuel tank
Clean inside.
4-4
Muffler and exhaust port
Clean
8-3
Starter system
Inspect / Repair
2-1 to 2-4
Oil tank
Clean inside.
Oil strainer
Clean / Replace
7-1
Sprocket
Inspect / Replace
1-5, 5-1
Guide bar
Inspect / Clean
Chain brake
Inspect / Repair
6-1 to 6-3
Daily:
Inspecting in every services.
IMPORTANT:
Service intervals shown above are maximum. Actual use and your experience will determine
the frequency of required maintenance.
* Retighten the following screws and bolts after first 1 week use, and every 3 months.
Starter assembly screws (3 pcs.)
Counter-vibration spring screws (4 pcs.)
Front handle screws (2 pcs.)
Muffler bolts (3 pcs.)
** Inspect after every refuel.
11-3 Service intervals
