Question about Makita DCS6401 20 20",64cc Chainsaw 2 Cycle
Remove the bar and chain, then clean the side of the engine case where the bar fits to. Start the engine--oil should ooze out of a small port in the engine case. If ok, clean the bar and cover, then clean the two small oil channels in the drive end of the bar which allow oil to flow out into the chain groove on each side (only one is active depending on which side of the bar is 'down'). If no oil came out of the engine port, then you need to investigate the oil pump (behind the clutch), oil lines, and oil filter in the tank. The oil pump, in particular, has plastic gears that can become damaged. When oil appears at the port, assemble the bar and chain. Adjust the chain (cover fastemers finger tight) so that the chain just pulls up to the lower bar edge, but not so tight that the chain can't be pulled by hand. Make sure the teeth cut toward you on the bottom run and are properly sharpened. Tighten the cover fasteners firmly and recheck tension. If ok, run the saw at speed for several moments with the tip near some cardboard--it should throw off a thin line of oil. Hope this helps!
Posted on Jul 10, 2010
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Posted on Jan 02, 2017
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