Bolt and thread size on linderman mount?

Mjunkie · Sep 28, 2012

Anyone know off the top of their head the bolt size and thread for the two bolts that mount the linderman mount to on top of the recoil? This morning I tried a "standard" (whatever that is) 5/16 coarse thread bolt and it starts and will go a couple turns and stops, so I'm guessing the size is 5/16 and maybe the thread is just a fine thread? Anyone know for sure? Oh, on the M1000 motor BTW. Thanks!!

fasta76 · Sep 28, 2012

All the motor bolts are metric!

Mjunkie · Sep 28, 2012

fasta76 said:
All the motor bolts are metric!

Not the 4 big bolt holes on the bottom of the case that aren't normally used!! I believe they're used in shipping, like the bolt sizes I'm looking for which is also why I suspect they might be american.

fasta76 · Sep 28, 2012

I was sure everything that has threads on the motor are metric. Maybe not?

m8magicandmystery · Sep 28, 2012

coarse thread shouldn;t even go in a couple turns in a fine thread..

Mjunkie · Sep 29, 2012

Thanks for the replies, I was going someone knew off the to of there head so I could just pick some up ay the hardware store, but I did some digging around in my nuts and bolts and found a bolt that will thread in just fine, so I'll take it with me to the store (since the one I found is too long and I only have one) and get the right ones I need.

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Mjunkie · Sep 29, 2012

m8magicandmystery said:
coarse thread shouldn;t even go in a couple turns in a fine thread..

Yeah, didn't think of that, but I'll get it figured out.

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slomo · Sep 29, 2012

m8x1.5 not sure on length

4Z · Sep 30, 2012

Mjunkie said:
Not the 4 big bolt holes on the bottom of the case that aren't normally used!! I believe they're used in shipping, like the bolt sizes I'm looking for which is also why I suspect they might be american.

The bolt size is M12x1.25 on the bottom of the motor.

Mjunkie · Oct 1, 2012

4Z said:
The bolt size is M12x1.25 on the bottom of the motor.

Huh, I made a wooden mount to mount to those bolts that I could in turn mount to my bench for when I tore the motor down and rebuild, and I could have sworn they were american, but I don't doubt you're right. It was awhile ago that I did that and I don't remember exactly.

bertrenolds · Nov 29, 2016

Just called arctic edge and believe I talked to linderman and he was really nice. said the 2 bolts that go to the motor are m8x1.25x20mm long and then for the rubber mount use a 5/16" bolt that is 2" long and use 3 washers and a lock nut. Also gave be some really great advice, said to get the motor to sit straight under power to notch the mount hole on the front engine mount that is bolted to the engine with 2 bolts out 3/16" so that the motor sits back on the mag side so that under power it straightens its self out, apparently Polaris has been doing this for years. thanks for the help Mr linderman!

bertrenolds · Dec 1, 2016

slomo said:
m8x1.5 not sure on length

Its actually 8m x1.25 x20 , just went looking for a 1.5 which is pretty much non existant. Its 1.25 thread pitch us anyone in the world ever has the question again which I highly doubt

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Bolt and thread size on linderman mount?

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