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General Category => General Discussion => Topic started by: mswyka on February 13, 2018, 08:54:44 PM

Title: Only 157 Miles
Post by: mswyka on February 13, 2018, 08:54:44 PM
Finally got around to pulling apart a pair of Intruder engines that we have had sitting around for a while.  This one is just a crying shame.  Only 157 miles - and yes speedometer was hooked up.  Actually it was the oddest thing all the exposed parts are badly corroded.  Anything that was shielded shines like new.  However I never expected the crank to look this bad!
Title: Re: Only 157 Miles
Post by: Joel on February 13, 2018, 09:10:33 PM
Wow!
Title: Re: Only 157 Miles
Post by: SySteMAtiC72 on February 14, 2018, 04:42:43 AM
According to Red Green, you're fine. He said with little wd40 and duck tape it will run like new.


That's pretty gross.
Title: Re: Only 157 Miles
Post by: gixxer6 on February 14, 2018, 06:47:40 AM
 :o
Title: Re: Only 157 Miles
Post by: Interceptor398 on February 14, 2018, 07:39:35 AM
Ish!  I have a 550 that sat in a field for 20 years that when I opened the motor looks a lot like that.
Title: Re: Only 157 Miles
Post by: kawhead on February 14, 2018, 08:28:28 AM
yuck
Title: Re: Only 157 Miles
Post by: Truder78 on February 15, 2018, 10:58:49 AM
Oh Mylanta
Title: Re: Only 157 Miles
Post by: Vader440 on February 15, 2018, 05:39:08 PM
That really is a shame. :'(
Title: Re: Only 157 Miles
Post by: mswyka on February 15, 2018, 08:10:58 PM
All the way around this engine has been a disappointment.  However this evening I discovered some hope - the jugs measure, and as much as I can see, as though they are new.  The challenge will be to remove the pistons without damaging anything.
Title: Re: Only 157 Miles
Post by: mswyka on February 16, 2018, 06:55:29 AM
I will add that normally on an Intruder when we pull the heads, the top bolts have some oil or belt residue.  These were perfectly clean.  And the underside of the heads were amazing.  So if nothing else it looks like a good set of cylinders and heads.  At the same time i was pulling apart a 82 engine.  The 82 was a completely different story.  Oil injection had been disconnected and ports plugged.  Pulled the flywheel to find that the crankshaft side of the crankshaft seal was missing.  When I pulled the head, the mag side had hammer marks like a broken ring.  For me that is enough evidence to confirm that a former owner had a leaky crank seal, lost a piston, replaced the piston and switched to premix thinking that his oil injector was not working.  And while i did not see the second (or third) piston showing signs of failure, clearly the engine had been parked for some time.  I am thinking that the 79 top end is going to go onto the 82 bottom end for a new happy power plant.
Title: Re: Only 157 Miles
Post by: kawhead on February 16, 2018, 08:13:34 AM
after the 2nd or 3rd piston it probably would not run so was parked.....I,m not sure the rubber shrouds were a good idea when you make the happy motor ;]   
Title: Re: Only 157 Miles
Post by: dr1979-340 on March 21, 2018, 05:15:22 PM
This was the crank for my '79 340 Drifter.  After cleaning it up and putting all back together with new seals and gaskets that engine hasn't missed a beat and have a few hundred miles on it and two riding seasons.  It really runs good.  I'm not sure I would try to clean up the one shown in this thread.  It may be beyond repair.
Title: Re: Only 157 Miles
Post by: mswyka on March 21, 2018, 06:49:48 PM
Believe me, I would clean it up if I could.  All the bearings on this crank are seized.