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post #51 of 64 Old 03-18-2019, 11:54 PM
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I’m certainly not anyway an expert on this. What I Remember is the particular brand of auto maker I worked for built/used cats with a honeycomb type ceramic/ platinum coated surface inside the cat that exhaust must pass through. Some other brands used pellets, maybe other types. The common denominator was that the Platinum did not like Zinc or the phosphorus that was a result of it being burned at high temp. The ones I seen and or replaced myself were basically melted and restricted the exhaust flow to the point the vehicles would hardly run. Lead had not been in gasoline for some time (mid 1980s)but there may have still been stations that carried it. Did the melted cats we replaced occur because the customer was buying/using oil with higher zinc content ? Did that particular vehicle use more oil , poor break in/ rings not seated good ? Many of the break in oils had additional zinc, to help with dry /cold start. Remember small block Chevys that had rounded camshafts lobes ? That was blamed on the oil ( being formulated at a later time with less zinc content ). The old “ Flat tappet” issue. There is a lot of debate as to what happen and fingers pointed to auto manufacturers and the petrochemical companies. My friends car had (3) cats replaced. He used the same shop untill the last cat was put on. He changed shops and has yet to replace another. Coincedience ? Also- From what I know ,oil for Diesel engines has and had higher levels of zinc and other additives to help cope with the harsher work those engines are exposed to. A lot of info,debate,and facts can be found on Bob the oil guy forum. But be prepared, you may not stop reading. (Lol).
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post #52 of 64 Old 03-19-2019, 10:05 AM Thread Starter
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I bought one of the last KLR's last year and was kinda disappointed to learn it had a converter on it. No biggie though. It's located inside the muffler vs inline with the pipe and that's what the aftermarket is all about.. If you want to run an oil with a higher zinc content, just swap out the muffler.
As for zinc being a friction reducer and wet clutches. I think people worry too much. Reading my owners manual for the old K4 750 Honda I've had forever, it tells you to basically use any SE grade engine oil from 10w30 - 10w40. Back then just about all American cars ran flat tappet cams where the high zinc is required and my clutch never slipped. The KLR is a relatively low torque unit with an over engineered clutch. Would I try using it in my ZZR1200? Probably not.. That torque monster might glaze the plates in a couple miles.
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post #53 of 64 Old 03-19-2019, 10:46 AM
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Over-engineered is right. Did you ever notice that the ZRX1100 and ZRX1200R uses two of the same clutch plates that are in KLRs up to mid-2011?

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post #54 of 64 Old 03-19-2019, 11:10 AM Thread Starter
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I've never compared the two, but if the ZRX's put out the torque that ZZR did they must be robust.. I had a 2004 ZZR1200 that stock and without fuel injection made about 160HP and 120 lbft of torque. Had to sell it before I killed myself or lost my license. That bike is the fastest most powerful streetbike I've ever sat on and felt like it was crawling at anything under 100mph. I made it to a little over 150mph on it before the pucker factor got to much for this old man. It was still pulling too.

Never pick a fight with an old man.. If he's too old to fight, he'll just kill you..
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post #55 of 64 Old 03-19-2019, 12:50 PM
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I think the ZRXs were a bit down on horsepower from the ZZRs, maybe 25hp or so. Don't know the torque comparison. That clutch disc has seen use in plenty of clutches that handle far more horsepower and torque than the KLR puts out. Some bikes used the disc for the whole pack, some used just a couple, but all the discs see the same torque. Of course, the far more powerful bikes used clutch packs with more discs.

But still, the kLR clutch ain't wimpy.

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“Some days I feel like playing it smooth. Some days I feel like playing it like a waffle iron.” -Philip Marlowe

“'Why' and 'How' are words so important they cannot be too often used.” -Napoleon Bonaparte

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post #56 of 64 Old 07-29-2019, 10:36 PM
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What's wrong with using Kawasaki's spec oils for your KLRs?

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post #57 of 64 Old 07-29-2019, 11:38 PM Thread Starter
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Quote:
Originally Posted by KBear View Post
What's wrong with using Kawasaki's spec oils for your KLRs?
Nothing wrong with using oils that meet Kawasaki spec. Kawasaki specifies JASO-MA/MA2 specification which Rotella T4 and T6 meet. If it didn't meet it I wouldn't put it in. That said, I wouldn't get too caught up in those specs. I have a 45 yr old Honda CB750 that still runs like a Swiss watch and most of it's life it was run on whatever 10w30 or 10w40 automotive oils available in the auto parts store. Never had the clutch slip on it. Back then, all that was required was it be at least a 30 wt oil and meet SE standards. Today's MC specific oils aren't as good at lubricating as some of yesterday's oils. Today's oils are a compromise to not hurt the catalytic converters they now put on bikes.

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post #58 of 64 Old 07-30-2019, 12:01 AM
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Originally Posted by KBear View Post
What's wrong with using Kawasaki's spec oils for your KLRs?
I'm not sure I understand your question?

My 1987 KLR650 has used the Genuine Kawasaski 20W50 & 10W40 oils for all of its live except 1 oil change with Golden Spectro 20W50 back in autumn of 1987. I do not know which USA oil companies which Kawasaki has used over the years, but it is blended to Kawasakis own specifications. And it is very good oil.

Read here, divide the ppm by the thousands of miles traveled. Like Aluminum 22/5.061 = 4.346 ppm per 1 K traveled vs the UA of 33/1.900 = 17.368 ppm per 1 K traveled.
https://www.klrforum.com/klr-other-m...is-thread.html

There are numerous BSL reports scattered thru the thread.

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post #59 of 64 Old 07-30-2019, 01:16 AM
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Is it true, genuine Kawasaki oil is produced and refined from oil fields and petro-chemical plants in the former Dutch East Indies, captured by Imperial Japan during World War II?

If not, where does the lubricant come from, and where is it refined?

Just askin'!

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post #60 of 64 Old 07-30-2019, 11:30 AM
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Originally Posted by Damocles View Post
Is it true, genuine Kawasaki oil is produced and refined from oil fields and petro-chemical plants in the former Dutch East Indies, captured by Imperial Japan during World War II?

I know nothing about that part of WW2 history.

If not, where does the lubricant come from, and where is it refined?

Just askin'!
A couple of years ago I watched a Discovery Channel program about petroleum products and just happened to see the Gray & Silver/Black bottles of the KMC USA, Kawasaki Semi-Synthetic 10W40 coming thru the dispensery at an unidentified Reading PA oil company plant.

I'm reasonably certain the the motor companies contract oil producers in each country to blend the Genuine Product oils for them, to each of their individual specifications.
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