Chainsaw User Manual
MK CX-3  Revision 09/04, Effective Date September 17, 2004  Page 25 
MAINTENANCE AND TROUBLESHOOTING 
6. Check Fuel Level:   
1.  Gasoline is highly flammable and explosive. You can be burned or seriously injured when handling fuel. 
2.  To fuel, stop engine if running and allow it to cool. 
3.  Refuel in a well-ventilated area. 
4.  Keep gasoline away from appliance pilot lights, barbecues, electric appliances, power tools, etc. 
5.  Wipe up spills immediately. 
NOTES:  1.  Fuel can damage paint and plastic. Be careful not to spill fuel when filling the fuel tank. 
Damage caused by spilled fuel IS NOT covered under the warranty. 
2.  DO NOT use stale or contaminated gasoline or an oil/gasoline mixture. 
3.  Use unleaded gasoline with a pump octane rating of 86 or higher.
7. Checking Oil Level:   
NOTES:  1.  Engine Oil Capacity is 1.16 US qt (1.1 l). 
  2.  When installing the Oil Dipstick, ensure the threads are aligned with the threads of the Oil 
Reservoir so as not to “cross-thread." 
(C) 
Verify fuel level is below the 
throat of the Fuel Tank 
(B) 
Fill Fuel Tank 
(A) 
Remove Fuel Cap 
(D) 
Install Fuel Cap 
(C) 
Check Oil Level if the level is 
normal, go to step F, if low, go 
to Step D 
(B) 
Remove Dipstick 
(A) 
Verify the Engine is upright 
and level 
Fill Throa
t
Turn counter- 
clockwise to 
loosen 
Fuel Cap 
Fill Throa
t
Upper Limit 
Turn clockwise 
to tighten 
Fuel Cap 
1/2-way up Dipstick 
Bottom of Dipstick
Turn counter- 
clockwise to 
loosen
Dipstick
Level Engine 










