20 Most Recent Poulan PP4218AV 18" Chain Saw - Page 6 Questions & Answers

If it's the standard spline, a blue electrical crimp terminal will fit over the spline.

Did you get the diaphragms and gaskets in the correct order? does it idle rough or not at all check for a vacuum leak at the auto oiler gasket or diaphragm spray with starting fluid to find vacuum leaks. There is an idle speed screw along with the hi and low mixture screws.

This employs a mechanical PTO engagement, I believe. Be sure PTO is in OFF position or try starting with PTO lever in both ON and OFF positions. If it allows engine crank in both positions then the safety interlock has failed and needs repaired.

Did you check to see if the plug fires? If it shows a spark, check the air filter. Did you prime the carb? Does the fuel mixture mive smoothly through the plunger? If all that is okay, go through the carb. You might take a SMALL amount of fuel mix and put it into the spark plug hole, try to fire it. If it fires, probably your problem is the carb or fuel delivery to the carb....Good luck...Lee

https://www.youtube.com/watch?v=el7gDOtOt-E https://www.youtube.com/watch?v=rZI8Miee1zk https://www.youtube.com/watch?v=J-vvFxS2LcI

My guess is you left gas in the carb (esp Ethanol) and the carb is clogged. These small engines carburetor have extremely small jets and often you need a complete disassembly to rod out the jets.

Personally it's just not worth my time and I would buy a new carb. $30 or so.

Here's a good place to start: https://www.repairclinic.com/Shop-For-Parts/a30c102i765/New/Chainsaw-Carburetor-Parts

Im havung same problem any luck

https://www.youtube.com/watch?v=-2k2R8x43j0 Carburetor Adjustment Procedure

1. Before you start the saw, locate a small flat-bladed screwdriver. ...
2. Begin by checking the saw's air filter. ...
3. Check the fuel level. ...
4. Start the engine and warm it up. ...
5. Begin by setting the idle speed. ...
6. Set the low speed fuel adjustment. ...
7. Go back to step (4) and reset the idle speed.

http://www.madsens1.com/saw_carb_tune.htm

Suggest you try starter fluid as a diagnostic. Remove air filter and spray 1 second short burst directly into carburetor, promptly pull starter cord.

If it fires, then no fuel from carburetor. Comment here for further assistance.

Try underneath filter housing mount, narrow end away from carb.

Check primer bulb and all fuel lines for cracks.

0.025" or 0.0635cm or 0.635mm depending on what you have for a gapping tool. Semper Fi, Z

CHECK THE BELL CLUTCH , MAY BE HANGING UP AND NOT DISENGAGING !!!

pull the safety back to engage the drive clutch with electric chainsaws, pushing the lever forward disengages the chain

it's possibly a sealed trans where you cant add fluid to it. if it's not leaking then its full.

SPARK PLUG TYPE: Champion CJ8 SPARK PLUG GAP: 0.025 in. (0.51 mm) More information is available from here: http://www.acresinternet.com/cscc.nsf/ed1d619968136da688256af40002b8f7/81fd7e2d6f5cdc7988256bfa00189277

You use a 5/8" or 13/16" spark plug socket for removal and installation. It takes a Champion RN9YC.Check socket on the new spark plug for size.

Heres a link to a spark plug for the poulan 826 le hope its help to you. https://www.amazon.com/PlugTune-Maintenance-Woodshark-WildThing-Craftsman/dp/B075Q54PLW/ref=sr_1_1_sspa?keywords=poulan+826+le+spark+plug&qid=1570259790&sr=8-1-spons&psc=1&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUFNRU5LUlZIWVA2QVMmZW5jcnlwdGVkSWQ9QTAwODU3MDYxTzVQOEc1VkxJMDVTJmVuY3J5cHRlZEFkSWQ9QTAyMDg2MzhGVzFWTjlKWVVEQ1omd2lkZ2V0TmFtZT1zcF9hdGYmYWN0aW9uPWNsaWNrUmVkaXJlY3QmZG9Ob3RMb2dDbGljaz10cnVl

Well you certainly have tried a great deal of things, your compression is fairly low, however I would expect it to fire all be it not run too well, initially I would suspect a couple of things, a massive air leak i.e. crankshaft seal leaking or has fallen out, or the flywheel key in the flywheel has sheared knocking the ignition timing way out.

They print the HP on the rocket covers as this is normal you have to get a wire brush and clean the cover and make sure that you have good lighting to see what it is most brigs oppose motor with be on left rocket covers and on single cylinder this is the same