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Old 25-04-2014, 09:04   #1
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Care and Feeding of a Kanzaki Transmission

I've seen numerous references to the cone type clutch used in these transmissions, and I'm unfamiliar with that technology, but it got me thinking, how best to maintain this thing, what procedures should be followed, what type of oil, how often changed, is Synthetic a good choice here or should it be avoided or does it matter? Best shifting procedure? I always pause in neutral for a sec even when doing a standing turn, should I, or should I pause longer? Ease into throttle after its shifted, or once it's in gear OK to goose it?
Any procedures to be avoided? Example I can't stand hearing someone slowly dragging a Yamaha outboard into gear with the gears grinding the whole time, those you need to smartly shift and not drag the shift out, is that true her or is it better to slowly bring it into gear?
Any maintenance procedures other than oil changes? Anything that needs adjusting periodically?
Am I over thinking this, is this a transmission that never gives trouble?
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Old 25-04-2014, 09:52   #2
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Re: Care and feeding of a Kanzaki transmission

Have you read the engine owners manual?
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Old 25-04-2014, 10:15   #3
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Care and feeding of a Kanzaki transmission

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Have you read the engine owners manual?

Haven't found one yet, can it be downloaded, and the transmission is in the engine manual?
So no, I haven't RTFM yet
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Old 25-04-2014, 10:27   #4
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Re: Care and feeding of a Kanzaki transmission

That would be an intelligent place to begin.
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Old 25-04-2014, 11:40   #5
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Re: Care and feeding of a Kanzaki transmission

IIRC they take straight 30 weight engine oil. According to Yanmar the transmission should be left in neutral when engine is off under sail. Can't stand the noise of the freewheeling prop so have always put it in reverse. So far has survived a TransPac and still works fine.
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Old 25-04-2014, 11:48   #6
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Re: Care and feeding of a Kanzaki transmission

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That would be an intelligent place to begin.
It would, got a link?
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Old 25-04-2014, 11:50   #7
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Re: Care and feeding of a Kanzaki transmission

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IIRC they take straight 30 weight engine oil. According to Yanmar the transmission should be left in neutral when engine is off under sail. Can't stand the noise of the freewheeling prop so have always put it in reverse. So far has survived a TransPac and still works fine.
Mine I'm sure uses Auto transmission fluid, or at least that's what's in it anyway.
The Island Packet manual says to leave it in reverse when sailing to prevent excessive cutlass bearing / packing wear. I have an Island Packet manual.
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Old 25-04-2014, 12:46   #8
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Re: Care and feeding of a Kanzaki transmission

It would appear that I have a KW20 transmission and from what I could tell it has multiplate wet clutch disks very similar to a motorcycle, but two clutch packs, one for forward, one for reverse. It uses Dexron and should be changed at 150 hour intervals.

Where are these cones?

Anyone else with a 4JHE engine and needs an engine manual link
http://sagaforumet.com/yanmar-manual/4JHE/manual.pdf
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Old 25-04-2014, 13:15   #9
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Re: Care and feeding of a Kanzaki transmission

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Originally Posted by a64pilot View Post
It would appear that I have a KW20 transmission and from what I could tell it has multiplate wet clutch disks very similar to a motorcycle, but two clutch packs, one for forward, one for reverse. It uses Dexron and should be changed at 150 hour intervals.

Where are these cones?

Anyone else with a 4JHE engine and needs an engine manual link
http://sagaforumet.com/yanmar-manual/4JHE/manual.pdf
KM series is cone clutch and takes 30 weight oil.

Some pics here:
Yanmar 1GM Chapter 8
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Old 25-04-2014, 13:18   #10
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Re: Care and feeding of a Kanzaki transmission

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It would, got a link?
Better! I have the owners manual and factory service manual for my truck, motorcycle, boat and dink motors. Highly recommended.
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Old 01-05-2014, 13:03   #11
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Re: Care and feeding of a Kanzaki transmission

Need to know what engine this is? Most all Kanazaki transmissions have tags that state on the tag 20/30 which is 20 or 30 weight oil but there is a few models such as the 3hm which used a cross breed ZF trans which took ATF. The KBW-10 uses ATF-A which tells you that is an old transmission. Just use Dex-Merc ATF from a parts store.
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Old 01-05-2014, 16:07   #12
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Re: Care and Feeding of a Kanzaki Transmission

KBW-20 transmission I believe, uses ATF, I used Dexron when I changed it
Really was wondering if there were any quirks to this transmission, any pecularities, weaknesses, etc. I plan on changing it's fluid when I do oil changes, 100 hr interval or yearly.
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