High Quality Chainsaw Bars Husqvarna Toys

Dolmar 64xx/73xx/79xx series, smurfs and solo 665/675/681 thread

huskyboy

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Something I noticed with the zama on these and a 365/372 is the idle screw tends to wear out from use and vibration over time (poor design imo). The screw then backs out when your running it. Talk about annoying. I fix it by cutting a actual idle screw to fit that I take off my junk pile of carbs. One off a 51/55 or 394 carb works good. Just cut shorter to fit and grind a little off the throttle stop, so you can turn in the screw far enough that doesn’t rest on the spring. Takes a lot of fiddling around but it works and cheaper than buying a new carb. 854B72B8-1C3F-442B-AE3D-58E883D2A6CB.jpeg
 

huskihl

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Something I noticed with the zama on these and a 365/372 is the idle screw tends to wear out from use and vibration over time (poor design imo). The screw then backs out when your running it. Talk about annoying. I fix it by cutting a actual idle screw to fit that I take off my junk pile of carbs. One off a 51/55 or 394 carb works good. Just cut shorter to fit and grind a little off the throttle stop, so you can turn in the screw far enough that doesn’t rest on the spring. Takes a lot of fiddling around but it works and cheaper than buying a new carb. View attachment 177317
Blue loctite works
 

huskyboy

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The walbro was a 100+$ new wj115 carb :(. I did the same fix on it with a spring... problem solved. I shouldn’t have to do that on a new carb. That was probably one that snuck by quality control, since I had one on another saw that was fine.
 
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