Original Message
Mice in muffler
By Dave Shoe - 01/13/2002 11:39:53 PM; IP 216.243.191.45
After eleven years, it's definitely worth disassembling the motor and reassembling it, just to be sure you know what you have.

You can be sure that some items can use a refreshening under the aircleaner (gaskets, for example), and you may find something nearly ready to crap out on you when it does get opened up. A nylon-toothed timing chain is a fairly classic "old age" failure, and they give plenty of visual warning - if you can view them. Many other things can surprise.

Your carb may be leaning out (clogged filter, low fuel pressure, bowl sediment, whatever) to give you the bog. A clogged exhaust can also do this, and it's not unlikely. While I sorta doubt any rodents found your tailpipe to be hospitable, it's likely your aluminized muffler or exhaust pipe shed a layer of skin, causing a sleeve of rust to restrict the exhaust flow. This sorta makes it feel like you're smashing into a pillow, as the power just plain disappears until the flow can catch up with the fumes.

I'll bet if you retrace your steps, you'll find a rusty looking snake laying along the side of the road somewhere.

JMO,
Shoe.
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Collapse <a href=../ForumFE/reply.aspx?ID=10694&Reply=10694><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor10694" onclick="return false;">More about a popping cracking 428cj</a>&nbsp;-- <font color=#0000ff>Greg, <i>01/13/2002</i></font><script type="text/javascript">
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 More about a popping cracking 428cj -- Greg, 01/13/2002
Mice in muffler -- Dave Shoe, 01/13/2002
 Odd. Maybe its running lean when cold? [n/m] -- Mr F, 01/14/2002
Collapse <a href=../ForumFE/reply.aspx?ID=10717&Reply=10694><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor10717" onclick="return false;">Maybe a carb, fuel pump, tank or line problem?</a>&nbsp;-- <font color=#0000ff>Royce Peterson, <i>01/14/2002</i></font><script type="text/javascript">
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 Maybe a carb, fuel pump, tank or line problem? -- Royce Peterson, 01/14/2002
Collapse <a href=../ForumFE/reply.aspx?ID=10728&Reply=10694><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor10728" onclick="return false;">Thanks guys.</a>&nbsp;-- <font color=#0000ff>Greg, <i>01/14/2002</i></font><script type="text/javascript">
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 Thanks guys. -- Greg, 01/14/2002
Collapse <a href=../ForumFE/reply.aspx?ID=10743&Reply=10694><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor10743" onclick="return false;">RE: how about.</a>&nbsp;-- <font color=#0000ff> R Shannon, <i>01/15/2002</i></font><script type="text/javascript">
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 RE: how about. -- R Shannon, 01/15/2002
 Did that too. -- Greg, 01/15/2002
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