Scotch brite on gasket surface. Did I screw up?

N

Nyheim

Free Member

Jan 24, 2016

66

16

8

29

Northern Norway

• Mar 20, 2017

• #1

Hello,

I'n currently rebuilding my 13 Pro RMK 800 engine with Wössner pistons, etc.

I used a nylonpad made of polyamide with grit 280 to clean off gasket surfaces.

Now, I guess this nylonpad is the same stuff as Scotch Brite, and I'm seeing a lot of people saying it might ruin your engine, due to particles from the nylon getting into bearings and then over time grinding them away, resulting in engine failure.

Did I screw up? Kinda worried right now. Gonna attach a picture I took a couple of hours ago, showing how good that stuff works

 

bryceraisanen

Well-known member

Lifetime Membership

Mar 5, 2011

988

177

43

36

• Mar 20, 2017

• #2

Looks nice. Being block is out just wash with hot soapy water and compressed air.

Sent from my SM-G930T using Tapatalk

 

I

idahosledder

Well-known member

Lifetime Membership

Nov 26, 2007

166

85

28

Idaho Falls, Idaho

• Mar 20, 2017

• #3

As long as you flush it out it should be fine.
The other thing to watch is taking off to much material, especially since it's aluminum.
It doesn't necessarily need to be shiny to be clean.
Most gaskets these days are pretty forgiving.

Sent from my Pixel XL using Tapatalk

 

joshkoltes

Well-known member

Lifetime Membership

Dec 16, 2007

3,842

1,170

113

41

ranchester, wy - nashua, mn

• Mar 20, 2017

• #4

Definitely should not use any abrasives on the gasket surfaces on the bottom of the cylinders . Or any of the surfaces for that matter. I use a new straight razor blade very delicately for the big pieces left behind. Then gasket remover after that with a rag. Sometimes there is still a shadow of the print left behind but that's totally ok as long as the actual gasket is gone. Sanding on the top of the case with the engine open is probably the worst idea

 

Last edited: Mar 23, 2017

G

geo

Well-known member

Dec 1, 2007

2,170

2,336

113

68

Kamloops B.C.

• Mar 21, 2017

• #5

Replace that exhaust gasket with a SS one and you will never need the scotchbrite pad to clean again.

 

N

Nyheim

Free Member

Jan 24, 2016

66

16

8

29

Northern Norway

• Mar 24, 2017

• #6

Thanks for all the replies. Engine is back in the machine, and running like a charm. Gotta love the Wössner pistons. Went from 115 psi to over 130 psi compression

 

PaulAnd

Well-known member

Premium Member

Oct 17, 2010

2,186

586

113

Northern IL.

• Apr 1, 2017

• #7

joshkoltes said:

Definitely should not use any abrasives on the gasket surfaces on the bottom of the cylinders . Or any of the surfaces for that matter. I use a new straight razor blade very delicately for the big pieces left behind. Then gasket remover after that with a rag. Sometimes there is still a shadow of the print left behind but that's totally ok as long as the actual gasket is gone. Sanding on the top of the case with the engine open is probably the worst idea

Click to expand...

Spray surface with gasket cleaner
And carefully clean with PLASTIC razor blade
Applies to any alumn sealing surface