Chainsaw won't start. Can't pull starting cord out
I’ve had a Homelite 45cc 18” chainsaw for about 2 years. In those two years it’s done everything I’ve asked of it including starting very easily every time. I’ve been extremely happy with it. I cut some wood on Saturday without a single problem and then on Monday when I tried to start it, I couldn’t pull the rope out more than an 1” – 1 ½”. I took the starter cover off and checked to make sure the rope hadn’t come off. I also took out the spark plug which was dry. When the plug is out I am able to pull the rope out all the way and I can see the piston moving up and down. However, as soon as I put the plug back in it goes right back to me not being able to pull the rope out again. I know nothing about engines and I’m hoping that someone has experienced this sort of thing before me and can tell me what what’s wrong.
Re: Chainsaw won't start. Can't pull starting cord out
Thats a little strange.
Only thing that comes to mind is someone else had access to it and swapped out a plug that is too long for your short plug, Check plug type in owners manual.
maybe on sunday their 4 wheeler wouldn't start and this was quick fix.
Take off the chain cover or starter and see if it turns back and forth almost one full turn with a sudden stop at both ends of rotation. (Hitting plug)
if this is ok get back to me.
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I also have a BlueMax 45cc chainsaw that I could not start right out of the box. I got lucky a couple of times after many (20 or 30 pulls) but normally I just gave up. Many others online seem to be having this problem with this chainsaw.
It turns out the solution for me was that the starting instructions in the manual are not really complete, there is another step that aids in starting: it needs some throttle. The chainsaw does not like to start with power at idle. After setting the switch to on and setting the choke, as the manual says, before attempting to start, squeeze the throttle while pressing the side button to lock it. For me, this allowed it to FINALLY start with only a few pulls. I learned this when I ran across this video: How to start BlueMax Chainsaw 45CC
How long has the chainsaw been sitting? How long has it been sitting with the same gas in it? Typically, most chainsaw and weedtrimmer repairs are fuel related. More times than not, simply draining the old gas, and putting brand new fresh mixed fuel just purchased from the gas station will fix most non start problems. Many people will not believe me, but after 20 years of fixing small engines, i've fixed 70% of the chain saw and string trimmer and related sized engines by putting in new fuel. Fuel goes bad now a days in 30 days. So if the fuel in the gas can sitting in the garage is older than 30 days it is old when you are considering trying to use it in a small engine. Fuel in a car will not cause the same issues as quickly for several reasons. If the fuel in the gas can is older than 30 days get rid of it. If after changing the fuel out completely doesn't fix your problem, feel free to contact me and I'll see if I can help you out.
Start 1.5 CCW from lighty seated then do as the link suggests. Carburetor Adjustment by Madsens.com http://www.madsens1.com/saw%20carb%20tune.htm CW is leaner; to lean will destroy the saw. If over tightened closed (CW) the adjustment screw faces are easily marred; marred adjustments are difficult to impossible to set properly. Clean the air filter; adjusting with a dirty filter can cause a run lean condition once cleaned and the saw run. There are 2 wav (sound - idle & full – may not be highlighted) files that I find most helpful, I think you will too.
Your symptoms indicate a lean condition. Check to be sure the muffler and/or spark arrestor are open and unobstructed. If all the parts are installed properly and your mixture screws are between 1.5 and 2 complete turns OUT, the saw may possibly have leaking crankshaft seals. The saw would need a pressure/vaccuum test at a repair shop to verify this.
Try replacing the muffler. The baffle or something inside the muffler may be loose and when compression is put on the cylinder from pulling starter rope to crank over engine it will cause baffle to move over and seal off muffler leaving nowhere for compression to go. When the sparkplug is removed this allows an outlet for compression when starter rope is pulled. Hope this helps