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Digger 66

Rotax power

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Digger 66

Been at it since 5:30 AM .

Time for a sweet tea , a Swisher  & pizza .

And  an Advil ( or 4 )

That motor was freakin' heavy !

Any of you fellas ever played with a Rotax ? 

This will be my first time having one of these torn down .

 

 

IMG_1211_zps2f89d0f1.jpg

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Digger 66

Hopefully the weather will cooperate tomorrow & I can soda-blast all that baked on mud off the cases & gearbox .

 

IMG_1213_zpse8820c3e.jpg

 

IMG_20141002_061123_696_zpse5942bef.jpg

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Geno

What on Earth are you doing to that thing Digger?   :popcorn:

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KyBlue

Think i remember him saying in another thread something about a bore and stroke job ... :laughing-rofl::banghead::auto-biker:

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Digger 66

What on Earth are you doing to that thing Digger?   :popcorn:

 

 

Think i remember him saying in another thread something about a bore and stroke job ... :laughing-rofl::banghead::auto-biker:

 

Yes , she's getting bored .5 mm & fitted with new Wiseco ArmorCoat pistons .

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Geno

Fixing it or just hot rodding it? 

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Digger 66

Fixing it or just hot rodding it? 

 

 

Fixing ( well , sort of ) the front cylinder exhibited a bit of piston slap throughout the summer & from what i've researched , it's common & not really a problem once it's warmed up & everything expands to operating temperature but it still drives me nuts . 

Not sure if it's audible in this video , but I can hear it & that's what matters most .  :roll:

 

 

Edited by Digger 66

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KyBlue

Might as well hot rod it while you're fixing it right? :) 

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Digger 66

Might as well hot rod it while you're fixing it right? :)

Trust me , I love mod's much as anyone . but with these ( Can-Am's ) any mods are very costly as changes to the ECM are almost always necessary .

The only ones who have the software ( B.U.D.S. ) are the dealers & they charge outrageous $ for a re-flash .

The mods within my "at home " capabilities have been done . 

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Racinbob

I think it's audible but I might be hearing the wrong thing. Regardless, that exhaust sounds incredible!

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Geno

Mean sounding machine Digger.  :handgestures-thumbsup:

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Digger 66

Thanks fellas ^ !

 

 

 

I'd really like to try putting a one lung 400cc Rotax ( like my " little 400 " Outlander ) engine in a tractor .

The single cylinder is torquey as all get out & Makes 28 HP .

And it's a simpler setup with no EFI / sensors & other crap . 

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Digger 66

Not good ! 

Only the front piston had wear on the rear skirt .

New slugs & rings are headed to the machine shop now along with the jugs .

 

IMG_1226_zpsbc0f00f6.jpg

Edited by Digger 66

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Geno

Now that's nasty.  :eusa-doh:

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Coadster32

Good thing you stopped it when you did. Would have been a lot worse. Good catch. :handgestures-thumbupright:

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Digger 66

Well , just got word .

Jugs are all done , fitted to the new slugs , honed & end-gaps filed & set .

Going to pick them up this morning .  :woohoo:

 

NOW , to chase the wrist pin retainers around the garage . . . . . . :eusa-think:

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Geno

Nothing like chasing things around the garage.  :eusa-doh:

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Digger 66

Starting to look like an engine again .

 

IMG_1236-Copy_zps45dada43.jpg IMG_1237-Copy_zps3fb16957.jpg

 

IMG_1238-Copy_zpsc42fe3a4.jpg

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Digger 66

UPDATE :

 

....."life's a dance , you learn as you go " ... angry.png .

 

Lesson ? 

 

 
Order:

Qty. Part Number Product Name Price Line Total

1 420297063 PTO side cam chain       $52.48  

1 420236350 Chain Guide - Chain Guide $8.10

2 420630210 Gasket - Gasket $8.05 $16.10

1 420651211 Gasket - Gasket $16.23 $16.23

 

wall.gif

 


Well, I screwed up .

Put the rear piston in backwards . Last V-twin I did was an old shovel-head & the arrows both face forward on those so I assumed........

Guess that's not the case with these .

I rolled the motor over & pulled the rear plug & sure enough the electrode was bent .

After having returned the ring compressor I borrowed I had to go buy one & turn the piston around .

Dropped circlip down into the case & finally retrived with a magnet .

Got the rings clocked , piston turned around , tore the base gasket .

Somewhere in the process I got the chain bunched up around the bottom & had to pull the PTO side cover ruining that gasket in the process .

 

Decided it was enough & went out & cut the grass .

 

If I was still a drinking guy , I would be several  beerchug1.gif  into it by now  laugh.png .

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AMC RULES

I bet tomorrow's gonna be a better day there Digger.   :) 

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Geno

I hate days like that.   :eusa-doh: 

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KyBlue

You'll get there ... in the end.  We have faith in you

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Digger 66

I bet tomorrow's gonna be a better day there Digger.   :) 

 

 

I hate days like that.   :eusa-doh:

 

 

You'll get there ... in the end.  We have faith in you

 

Thanks for the kind & encouraging words guys .

I have to wait all the parts to come in before I can continue messing things up  :roll:

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Geno

Usually after 1 mess up it's all good from there.   :handgestures-thumbsup:

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Digger 66

Usually after 1 mess up it's all good from there.   :handgestures-thumbsup:

 

Parts left Toledo OH. Friday , so they should be here by Tuesday .

Check back to see how bad I screwed things up this time . :handgestures-fingerscrossed:  

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