LawnBoy 2 Cycle Muffler Came off, Also Leaking? - Snowblower Forum : Snow Blower Forums
 
LinkBack Thread Tools
post #1 of 9 Old 12-08-2016, 01:14 PM Thread Starter
Junior Member
 
Join Date: Feb 2016
Location: Antioch, IL
Posts: 12
Post Thanks / Like
Thanks (Given): 0
Thanks (Received): 0
Likes (Given): 0
Likes (Received): 1
LawnBoy 2 Cycle Muffler Came off, Also Leaking?

Hey guys, working on my dads Lawnboy snowblower and I need some help! I tried posting two pictures to show you my problem but the site won't let me.

It was absurdly loud the other day while using it - Pulled the cover and both muffler bolts were almost all the way out and muffler was dangling.
The gasket between the muffler and the motor was cracked in half also.

Then realized that there was what looks like oil EVERYWHERE. It was ALL over the back of the muffler and even inside the muffler..

#1 - Why would the muffler loosen itself? just vibrations? I will clean the muffler out and put it back and tighten the bolts with some thread locker.
Also ordered a new gasket.

#2 - Any ideas as to what/why its leaking? It appears to be coming out of the exhaust hole on the motor.


Thanks for any help in the right direction!
David
thellamattina is offline  
Sponsored Links
Advertisement
 
post #2 of 9 Old 12-08-2016, 01:17 PM
Senior Member
 
Join Date: Dec 2011
Location: Larkspur, CO
Posts: 399
Post Thanks / Like
Thanks (Given): 4
Thanks (Received): 14
Likes (Given): 5
Likes (Received): 52
Shake the muffler, if anything is rattling inside then it's time for a new one.

You have to have a minimum number of posts (10?) before you can post photos.
CO Snow is offline  
post #3 of 9 Old 12-08-2016, 01:21 PM
Senior Member
 
e.fisher26's Avatar
 
Join Date: Nov 2016
Posts: 533
Post Thanks / Like
Thanks (Given): 6
Thanks (Received): 39
Likes (Given): 28
Likes (Received): 50
Post a fake post or find another to post a bunch of crap posts to get pics up


Sent from my iPhone using Tapatalk
e.fisher26 is online now  
post #4 of 9 Old 12-08-2016, 02:20 PM Thread Starter
Junior Member
 
Join Date: Feb 2016
Location: Antioch, IL
Posts: 12
Post Thanks / Like
Thanks (Given): 0
Thanks (Received): 0
Likes (Given): 0
Likes (Received): 1
No rattling in the muffler at all, its just covered inside and out with whatever oil/gas was leaking.

I will see what I can do to get the pictures posted. Let me go post away!
thellamattina is offline  
post #5 of 9 Old 12-08-2016, 02:30 PM
Senior Member
 
Join Date: Oct 2015
Location: Toronto, Canada
Posts: 1,418
Post Thanks / Like
Thanks (Given): 5
Thanks (Received): 112
Likes (Given): 13
Likes (Received): 292
There will be some oil in the exhaust stream as it is a two stroke.

Work fascinates me.
I can watch somebody work for hours...
2008 Craftsman 944.528391 (It's a Husqvarna ST227P)
27", B&S 305cc 13.5 ft/lb Torque 9.5 hp
skutflut is online now  
post #6 of 9 Old 12-08-2016, 02:31 PM Thread Starter
Junior Member
 
Join Date: Feb 2016
Location: Antioch, IL
Posts: 12
Post Thanks / Like
Thanks (Given): 0
Thanks (Received): 0
Likes (Given): 0
Likes (Received): 1
thellamattina is offline  
post #7 of 9 Old 12-08-2016, 03:25 PM
Senior Member
 
bad69cat's Avatar
 
Join Date: Nov 2015
Location: Cedar Rapids, Iowa
Posts: 1,237
Post Thanks / Like
Thanks (Given): 0
Thanks (Received): 88
Likes (Given): 127
Likes (Received): 277
Looks like one of your bolt holes has stripped out to me...... you may have to re-tap it to the next size bigger bolt - or Helicoil it. Don't over-tighten those though. Use lock washers on top of flat washers.

Yes - a 2 stroke with a proper mix should have some oil getting into the exhaust. No big deal - better than tearing up a cylinder with under-mixing!




I am deathly allergic to shovels!


To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
bad69cat is offline  
post #8 of 9 Old 12-08-2016, 03:33 PM Thread Starter
Junior Member
 
Join Date: Feb 2016
Location: Antioch, IL
Posts: 12
Post Thanks / Like
Thanks (Given): 0
Thanks (Received): 0
Likes (Given): 0
Likes (Received): 1
Well, I was wrong - the muffler does rattle so I guess I will be ordering a new one.


As for the bolt holes, the bolts thread into both of them just fine and hold tight - so I'm not sure how they came loose in the first place.


I guess I will clean everything down with some degreaser and bolt a new muffler/gasket up to it and monitor the leak from there?
thellamattina is offline  
post #9 of 9 Old 12-08-2016, 09:16 PM
Senior Member
 
Join Date: Oct 2015
Location: Toronto, Canada
Posts: 1,418
Post Thanks / Like
Thanks (Given): 5
Thanks (Received): 112
Likes (Given): 13
Likes (Received): 292
Perhaps somebody had them off sometime in the past and didn't retighten them properly. If they got were loose and some of that oil found its way onto the bolts and migrated up the shanks, and made it easier for them to back out even more.

Work fascinates me.
I can watch somebody work for hours...
2008 Craftsman 944.528391 (It's a Husqvarna ST227P)
27", B&S 305cc 13.5 ft/lb Torque 9.5 hp
skutflut is online now  
Sponsored Links
Advertisement
 
Reply

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the Snowblower Forum : Snow Blower Forums forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:
OR

Log-in










Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page



Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome