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#4485437 - 08/11/17 08:19 AM Nikasil plated cylinders (or Suzuki SCEM)
alex_at Offline


Registered: 05/31/16
Posts: 118
Loc: Vienna, Austria
Hi,

I have a question about engines that have nikasil plated cylinders, or cylinders that are made of Suzukis SCEM (Suzuki Composite Electrochemical Material)

Do these engines need a special oil?
I do have in the back of my head, i think it was KTM that they only specified their oil because of the nikasil plated cylinders ...


Thanks

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#4485467 - 08/11/17 08:49 AM Re: Nikasil plated cylinders (or Suzuki SCEM) [Re: alex_at]
Kamele0N Offline


Registered: 02/09/15
Posts: 2038
Loc: Slovenia
I doubt........high end 2stroke racing cylinders are all nikasil plated....and they use/need just (high end) 2stroke oil.....
_________________________
2011 Hyundai i30 1.4 CVVT Shell Helix Ultra 5w40
1997 Toyota Landcruiser KZJ95 3.0 TD various 10w40

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#4485515 - 08/11/17 09:24 AM Re: Nikasil plated cylinders (or Suzuki SCEM) [Re: alex_at]
beanoil Offline


Registered: 10/17/04
Posts: 2952
Loc: Midwest, Illinois
Nothing special required.
BMW airheads have a similar Gilasil coating, and do very well on 20w50 conventional.
_________________________
beanoil: Tough under heat, real dirty afterwards.

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#4485578 - 08/11/17 10:21 AM Re: Nikasil plated cylinders (or Suzuki SCEM) [Re: alex_at]
Panzerman Offline


Registered: 12/16/06
Posts: 4203
Loc: Port Orange, Florida
No special oil required. This just basically a chrome plated cylinder that most bikes come factory with. No different than any other cylinder.
When the plating wears off or is damaged in a detonation you have to sleeve the cylinder. They cannot be bored.
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2006 Dodge Ram 2500 Hemi 4x4
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#4485620 - 08/11/17 11:14 AM Re: Nikasil plated cylinders (or Suzuki SCEM) [Re: alex_at]
alex_at Offline


Registered: 05/31/16
Posts: 118
Loc: Vienna, Austria
thanks for the input guys

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#4485748 - 08/11/17 01:30 PM Re: Nikasil plated cylinders (or Suzuki SCEM) [Re: alex_at]
02SE Offline


Registered: 12/30/05
Posts: 2727
Loc: The Canyons
Nothing special is required. Although my bikes seem to run best on a diet of Motul 300V 4T.

I've been running an overbored block on my bored and stroked Hayabusa, for about 10 years now. They CAN be bored (assuming there's enough material to overbore) and replated. Often, damaged bores can be repaired, too.

Millenium Technologies

I periodically check how the cylinders are looking with a bore scope. So far, everything looks great.

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#4485783 - 08/11/17 02:05 PM Re: Nikasil plated cylinders (or Suzuki SCEM) [Re: alex_at]
LoneRanger Offline


Registered: 07/02/07
Posts: 4058
Loc: Midwest USA
Only caveat with Nikasil is can't tolerate high sulphur content in fuel or oil. High sulphur will destroy nikasil. This was a problem for certain Jaguar cars in the 80's and 90's before federal fuel regs cleaned up sulphur content in retail gasoline. If I remember right...
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#4485790 - 08/11/17 02:11 PM Re: Nikasil plated cylinders (or Suzuki SCEM) [Re: beanoil]
HerrStig Offline


Registered: 08/24/11
Posts: 9560
Loc: Boston, MA
Originally Posted By: beanoil
Nothing special required.
BMW airheads have a similar Gilasil coating, and do very well on 20w50 conventional.
Airheads and 20W 50 are good friends.

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#4485801 - 08/11/17 02:24 PM Re: Nikasil plated cylinders (or Suzuki SCEM) [Re: alex_at]
Linctex Offline


Registered: 12/31/16
Posts: 6148
Loc: Waco, TX
Pretty much all aircraft cylinders have been for 30+ years now
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#4485956 - 08/11/17 05:45 PM Re: Nikasil plated cylinders (or Suzuki SCEM) [Re: alex_at]
ammolab Offline


Registered: 01/16/06
Posts: 996
Loc: Ruidoso, NM USA
My BMW K75C had Nikasil cylinders and went 142,000 miles on regular "car oil". It had new spec compression and burned no oil until I wrecked it two years ago...
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2009 Honda CR-V
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2005 Kaw Ninja 250
1994 Jeep Wrangler 2.5L
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#4486012 - 08/11/17 07:13 PM Re: Nikasil plated cylinders (or Suzuki SCEM) [Re: Panzerman]
Mik Offline


Registered: 05/27/11
Posts: 383
Loc: Montreal, Canada
Originally Posted By: Panzerman
No special oil required. This just basically a chrome plated cylinder that most bikes come factory with. No different than any other cylinder.
When the plating wears off or is damaged in a detonation you have to sleeve the cylinder. They cannot be bored.


Nikasil has nothing to do with chrome; chrome is for all intents and purposes, now obsolete as a cylinder coating. Nikasil is a matrix of silicon carbide in nickel. They may look the same (shiny and metallic) but are two totally different animals

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#4486158 - 08/11/17 10:12 PM Re: Nikasil plated cylinders (or Suzuki SCEM) [Re: alex_at]
BrocLuno Offline


Registered: 09/06/15
Posts: 5513
Loc: Kalifornia Kollective
Nikasil does not take well to beating and banging. So stay away from "ping" at all costs.

Buddies older Guzzi lost a lot of plating when he timed it for better fuel economy. In the end, was not worth it ...
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Formerly in marine engineering. In an earlier life I owned my own petroleum tank truck, and hauled for the majors and independent's.

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#4486217 - 08/12/17 12:13 AM Re: Nikasil plated cylinders (or Suzuki SCEM) [Re: alex_at]
Srt20 Offline


Registered: 07/14/14
Posts: 494
Loc: Wisconsin
Nikasil is actually very tough. Ive never seen Nikasil sustain damage without the piston being completely trashed. And Ive seen alot of trashed pistons with good Nikasil yet.

We have a sled engine pushing 240hp out of a 2 cylinder 795cc 2 stroke with Nikasil coated cylinders. We use Mystic 2 stroke oil at $9/gal on sale. The engine, including the Nikasil handles it all just fine.

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#4486476 - 08/12/17 11:32 AM Re: Nikasil plated cylinders (or Suzuki SCEM) [Re: Srt20]
Mik Offline


Registered: 05/27/11
Posts: 383
Loc: Montreal, Canada
Originally Posted By: Srt20
Nikasil is actually very tough. Ive never seen Nikasil sustain damage without the piston being completely trashed. And Ive seen alot of trashed pistons with good Nikasil yet.

We have a sled engine pushing 240hp out of a 2 cylinder 795cc 2 stroke with Nikasil coated cylinders. We use Mystic 2 stroke oil at $9/gal on sale. The engine, including the Nikasil handles it all just fine.


ah, two-strokes smile

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#4486538 - 08/12/17 01:14 PM Re: Nikasil plated cylinders (or Suzuki SCEM) [Re: BrocLuno]
alex_at Offline


Registered: 05/31/16
Posts: 118
Loc: Vienna, Austria
Originally Posted By: BrocLuno
Nikasil does not take well to beating and banging. So stay away from "ping" at all costs.

Buddies older Guzzi lost a lot of plating when he timed it for better fuel economy. In the end, was not worth it ...


what about piston slap when the engine is cold?
My Suzuki has a pretty audible piston slap, front cylinder only, according to Suzuki perfectly normal?

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