Kawasaki KLR 650 Forum - Reply to Topic
2008+ KLR650 Wrenching & Mod Questions For repair, maintaining or modifying discussions related to the newly updated 2008 and beyond, Generation 2 KLR650 Motorcycle.

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  Topic Review (Newest First)
01-22-2019 08:09 PM
pdwestman These pics are the only record of that we may have. https://www.klrforum.com/1987-2007-w...ya-got-11.html

So the 1st analysis was many combined changes down to the #43 installed in the Filter Cap.

The 2nd analysis was with the #43 installed in the Clutch Cover oil port.

The 3rd analysis was with the #44 installed in the Clutch Cover oil port. Cleanest oil report on a ppm per miles traveled.

The 4th analysis was with the #46 installed in the Clutch Cover oil port AND the Mini Filter installed into the crankshaft Oil Pocket.
Kind of a Double Restriction at one time that I probably shouldn't have done at the same time.
Therefore, I changed back to the #44 to see what happens.
01-22-2019 06:28 PM
Tom Schmitz I hope you don't mind, but I'm interested to try and line up oil analysis reports with orifice size.
01-22-2019 01:32 PM
pdwestman
Quote:
Originally Posted by Tom Schmitz View Post
I still hadn't got it right. It's hard wading through 500 posts.

The progression was (I think) #42, #43, #44, #46 before turning back to #44 as the smallest recommendation.
Yeah thats close enough, Tom.

But I did actually start at the factory orifice size of 3 mm (about a #32) with a steel Bayou atv orifice screwed into the filter cap. Which I could solder & re-drill.
01-22-2019 10:52 AM
Tom Schmitz I still hadn't got it right. It's hard wading through 500 posts.

The progression was (I think) #42, #43, #44, #46 before turning back to #44 as the smallest recommendation.
01-22-2019 07:19 AM
Sammy_Groover Thank you Paul and Tom... I think I'll stay with the #43 at the moment. Glad it's all done and seems to be working well.

Sammy

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01-21-2019 09:54 PM
Tom Schmitz I stand corrected.

Paul started with a #42 orifice, went to a #43, then #44, then back to a #43.

I think I finally got that right.
01-19-2019 05:13 PM
pdwestman Sammy, at the time that Tom was doing his 5 gauges pressure testing I was using the #43 / 2.26mm / 0.089 inch crankshaft oil control orifice.
I sent Tom his 1st orifice, a #43 and a lapped, pressure Reduced oil pressure relief valve. From there he could copy or further modify.

So your orifice is probably a #43 / 2.26mm / 0.089 inch. Another few thousandths smaller may or may not further reduce your engines oil consumption. As this is still an on-going experiment and your bike is just another 'lab rat'.
01-19-2019 01:11 AM
Sammy_Groover
Quote:
Originally Posted by Tom Schmitz View Post
Hi Sammy,



It's a #43, which was Paul's starting point.
Thank you Tom... Maybe I'll change mine out too.

Sammy

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01-19-2019 12:40 AM
Tom Schmitz
Quote:
Originally Posted by pdwestman View Post
I'll have to suggest the #44 / 2.18mm / 0.086inch as the smallest that I'd recommend...
Thanks Paul!
01-19-2019 12:39 AM
Tom Schmitz Hi Sammy,

It's a #43, which was Paul's starting point.
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