better yet the nklr bs list

[Pascal anctil]

Hi all, Quick question: Is there any special way to check engine compression because of the automatic decompression system on the bike? I'm gonna get a compression tester this week and want to assess the wear on the engine. Also, what is the healty Psi range? Thanks Pascal A-1

[Ted Palmer]

Pascal anctil wrote:

> Quick question: Is there any special way to check engine compression > because of the automatic decompression system on the bike?

No.

> I'm gonna > get a compression tester this week and want to assess the wear on the > engine. Also, what is the healty Psi range?

77-124psi. Mister_T

[TimHiles@aol.com]

In a message dated 11/13/00 10:25:41 AM Eastern Standard Time, tedp@... writes:

> > I'm gonna > > get a compression tester this week and want to assess the wear on the > > engine. Also, what is the healty Psi range? > > 77-124psi.

47 psi range? Sounds rather absurd! Can anyone explain?

[Mark]

At 8:34 PM -0500 11/13/00, TimHiles@... wrote:

>In a message dated 11/13/00 10:25:41 AM Eastern Standard Time, >tedp@... writes: > >> > I'm gonna >> > get a compression tester this week and want to assess the wear on the >> > engine. Also, what is the healty Psi range? >> >> 77-124psi. > >47 psi range? Sounds rather absurd! Can anyone explain? >

It's in the service manual under top end specs for useable compression. I'd say it's not to absurd as my ultra-abused 44,000+ mile A2 blows LOTS of oil past the rings & therefore probably has low compression, but still runs like a champ, and I don't mean Plymouth Champ. Mark B2 A2

[TimHiles@aol.com]

In a message dated 11/13/00 9:04:09 PM Eastern Standard Time, mjv2@... writes:

> I'm gonna > >> > get a compression tester this week and want to assess the wear on the > >> > engine. Also, what is the healty Psi range? > >> > >> 77-124psi. > > > >47 psi range? Sounds rather absurd! Can anyone explain? > > > > It's in the service manual under top end specs for useable compression.

I think that explains it, the original post said "healthy" compression, not useable.

[Ted Palmer]

TimHiles@... wrote: [manual spec compression]

> > 77-124psi. > > 47 psi range? Sounds rather absurd! Can anyone explain?

Due to the auto decompressor ("KACR"), minor variations in wear on the valve seat and KACR mechanism can alter the range of acceptable results. With the KACR, a compression test no longer tests just the bore and valve sealing. Mister_T

[Rich Kickbush]

This question came up a few months ago, and I remember reading that the de-compression mechanism meant that you couldn't get an accurate reading; this is why the spec is so wide in range. If this is true, then all you can tell from a comp tester is if things are really duffed ie below 77psi at startup. TimHiles@... wrote:

> In a message dated 11/13/00 9:04:09 PM Eastern Standard Time, mjv2@... > writes: > > > I'm gonna > > >> > get a compression tester this week and want to assess the wear on the > > >> > engine. Also, what is the healty Psi range? > > >> > > >> 77-124psi. > > > > > >47 psi range? Sounds rather absurd! Can anyone explain? > > > > > > > It's in the service manual under top end specs for useable compression. > > I think that explains it, the original post said "healthy" compression, not > useable. > > Visit the KLR650 archives at > http://www.listquest.com/lq/search.html?ln=klr650 > Support Dual Sport News... dsneditor@... > Let's keep this list SPAM free! > > Visit our site at http://www.egroups.com/group/DSN_klr650 > To unsubscribe from this group, send an email to: > DSN_klr650-unsubscribe@egroups.com

[gdod1@yahoo.com]