Mystery problem

mike27m

mike27m

ArboristSite Lurker
Joined
Jun 20, 2021
Messages
5
Location
Georgia
Bought a used Makita 6100ea about 5 years ago and had nothing but problems til it blew the other day. Thinking about trying a top end rebuild, as I've recently replaced recoil starter, clutch drum, carb, bar and added carbide chain.
Here's the problem, before it popped, I had a recurring issue that I never figured out. The saw always cold cranked easily and cut like a beast BUT after it got hot, it would die with any throttle, like it was fuel starved (hence the new carb, which didn't effect the problem at all).
-I cleaned the spark arrestor and even tried removing it temporarily. Also emptied the fuel and replaced the filter.

To be clear, it, after it gets hot, it'll still crank right up and idle indefinitely but as soon as I BARELY touch the throttle, it bogs down and dies. Before I invest the time and money into it, I need to know if I can correct this. What else could it be??
 
Mad Professor

Mad Professor

Tree Freak
Joined
Jul 2, 2007
Messages
10,478
Location
North East USA
Bought a used Makita 6100ea about 5 years ago and had nothing but problems til it blew the other day. Thinking about trying a top end rebuild, as I've recently replaced recoil starter, clutch drum, carb, bar and added carbide chain.
Here's the problem, before it popped, I had a recurring issue that I never figured out. The saw always cold cranked easily and cut like a beast BUT after it got hot, it would die with any throttle, like it was fuel starved (hence the new carb, which didn't effect the problem at all).
-I cleaned the spark arrestor and even tried removing it temporarily. Also emptied the fuel and replaced the filter.

To be clear, it, after it gets hot, it'll still crank right up and idle indefinitely but as soon as I BARELY touch the throttle, it bogs down and dies. Before I invest the time and money into it, I need to know if I can correct this. What else could it be??
Bogging coming off idle is too lean on low screw. Did you try to fatten the low setting?
 

J D

ArboristSite Guru
Joined
Apr 19, 2020
Messages
729
Location
NZ
Yup, vac test before you do anything else... That way you know where you stand & what you may need to fix to prevent the new top end going the same way
 
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