Are there any left hand threads on the Ariens ST824 snowblower model 924050

http://apache.ariens.com/manuals/RM-924-1983.pdf

Sound like the decompression system on the cam has failed.

No you do not..you have the model number and hp should do it ..go in on your computer and just put the name,model number,hp and model in that order .or better yet go in on eBay and put that in and most likely you will find it a a reduced cost..good luck

The coil needs to be just close enough not to rub. Wrap a piece of hard copper wire on the threads of the plug and ground the other end to the engine. Pull the handle and watch for spark.

You will need a serial number from your machine. When you get it go to this website:

http://apache.ariens.com/cgibin/ctrg0005?SESSIONID=c284622a4b07a7a5d967debd4ac982d6&site=arienss

Should be able to get an on-line manaul.

If not, here is a site with a 624 machine that might be similar:

http://publications.ariens.com/manuals/01990600_eng.pdf

Check your owners manual for the recommended grade of oil. If you don't have the owners manual, use SAE 30 weight. I prefer Castrol myself. It keeps crude build-ups down. Here is the site to download the manual. Just enter your serial number.
http://apache.ariens.com/cgibin/ctrg0005?SESSIONID=gsw0uz210g3q1n45lcz3mtig&site=arienss

There is a shear bolt for both the right and left side auger ribons/cutters

I’m happy to assist further over the phone at https://www.6ya.com/expert/rolandw_c013176d62ee17ae