Has anyone heard of this happening???

[MasterBlaster09]

Ok recently I was just riding my blaster around. And when
i pulled up and shut it off i couldn't get it to turn over.. So i brought it into the shop, at first i thought i seized the engine. I took the head off, the piston wasn't seized, so i pulled off the magneto and there were little screw coming from now-where. When i looked at the flywheel the screws that held the magnet s in place had fallen out and dropped them into the stator and Walaaa.. Does anyone know how that would happen besides the screws being loose?

 

[MasterBlaster09]

Anyone?? lol Anyone have any ideas???

 

[Blasterdude27]

Weird!!
Maybe someone took it a part and never put it back right.

 

[MasterBlaster09]

Idk maybe... Ha I sent it to O'Connor Racing and he said he has never seen something like that.. haha the only thing was tht my my two front motor mount bolts were missing and it only had the back one and he said thit may have been the vibration of the motor could have thrown it off, either that or the screws were loose like he said..

 

[Braaaptor]

As strange as this may seem, I've seen this problem multiple times. I was working on a 3-month-old Stihl BG 86 handheld leafblower a month or so ago at the shop, with an engine that had apparently seized. A closer examination revealed that one of the 3 crankcase bolts had backed out and hit the flywheel. Since this is a forced-air cooled engine, the flywheel had fins on both sides. The errant screw had become lodged between two of these flywheel fins, stopping it cold.

In the case of the Stihl, the screw was not torqued down properly from the factory, so I simply did a warranty for the bolt/flywheel, and sent it out. In your case, I'm willing to bet that somebody was inside the engine at some point, and they did not torque the screws back as tight as they should have been during reassembly. Get some Loctite blue, clean out the threads in the case, and reinstall some new bolts, using this blue threadlocker. That should be the last time they come loose. Blue Loctite is weak enough that you can still remove the bolts at a later date if needed, using hand tools.

BTW, since it seems that a less-than-competent tech was working on your motor sometime during it's life, it would be well-worth your time to pull the RH crankcase cover and check the timing marks on your engine's balancer drive gears. While I doubt that missing motor mount bolts alone would cause such vibration, an incorrectly-timed balancer shaft would definately shake things up enough to loosen fasteners...

 

[blastermaster01]

yeah maybe someone didn't put it back together right.

 

[Mborso1029]

blue lok tite them. and make sure you get new motor mount bolts....def could of contributed to the problem