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Old 05-17-2010, 10:33 AM   #1 (permalink)
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Hondamatic Continuously Variable Transmission Operating Principles

I don't think there's a lot of people that know the operating principles of the Hondamatic CVT trannys, myself included, so I thought I would post this link to a good read on the Hondamatic CVT. This is the transmission that the Rancher 400AT and the Rubicon 500 use. This is not the type of transmission that the Rancher 420AT or the Rincon uses. The 420AT uses a completely different type of auto tranny that incorporates a dual clutch system and the Rincon uses an automotive style tranny.

2001 Honda Rubicon Hondamatic hydraulic transmission
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Most 4-wheeler problems are caused by a loose nut connecting the handlebars and the seat!!

You only need two tools in life -- WD-40 and duct tape. If it doesn't move and should, use the WD-40. If it shouldn't move and does, use the duct tape.

Last edited by Helmut; 12-06-2011 at 01:10 PM.
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Old 05-17-2010, 12:12 PM   #2 (permalink)
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Great find, I will make this sticky
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Old 05-17-2010, 12:17 PM   #3 (permalink)
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Another link.

Honda Worldwide | Technology Close-up
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Most 4-wheeler problems are caused by a loose nut connecting the handlebars and the seat!!

You only need two tools in life -- WD-40 and duct tape. If it doesn't move and should, use the WD-40. If it shouldn't move and does, use the duct tape.
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Old 05-17-2010, 05:23 PM   #4 (permalink)
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good info, from experience the CVT tranny is smoother but is not as sharp when your trying to throw it sideways. that's just my opinion lol
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Old 05-17-2010, 05:26 PM   #5 (permalink)
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Yeah, that's probably because you can't gear it down to bring the engine RPMs up, like you can a foot shift.
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Most 4-wheeler problems are caused by a loose nut connecting the handlebars and the seat!!

You only need two tools in life -- WD-40 and duct tape. If it doesn't move and should, use the WD-40. If it shouldn't move and does, use the duct tape.
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Old 09-27-2010, 06:48 AM   #6 (permalink)
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Smile Hondamatic Transmission

Now i have the bike working, Dose any one rebuild then or use the old ones for cores? I'm tempted to dismantle this one to see what the fault is for its not apparent looking at it?
Attached Thumbnails
Hondamatic Continuously Variable Transmission Operating Principles-dsc03521.jpg   Hondamatic Continuously Variable Transmission Operating Principles-dsc03508.jpg  

Last edited by micmut; 09-27-2010 at 07:08 AM. Reason: add photo
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Old 09-27-2010, 12:01 PM   #7 (permalink)
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Quote:
Originally Posted by micmut View Post
Now i have the bike working, Dose any one rebuild then or use the old ones for cores? I'm tempted to dismantle this one to see what the fault is for its not apparent looking at it?
I don't know much about the Hondamatic trannys, but I hear their non repairable because you can't get the parts to service them with.
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Most 4-wheeler problems are caused by a loose nut connecting the handlebars and the seat!!

You only need two tools in life -- WD-40 and duct tape. If it doesn't move and should, use the WD-40. If it shouldn't move and does, use the duct tape.
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Old 10-28-2010, 09:26 PM   #8 (permalink)
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Quote:
Originally Posted by micmut View Post
Now i have the bike working, Dose any one rebuild then or use the old ones for cores? I'm tempted to dismantle this one to see what the fault is for its not apparent looking at it?
If the AT in Rubicon goes bad Honda in Japan have been known to take them back and give a new one under warranty.
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Old 10-29-2010, 06:31 AM   #9 (permalink)
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Helmut, that is some great info!
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Old 05-24-2011, 10:55 AM   #10 (permalink)
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deltabrkr

I have a 03 350ES that is hanging up in gears up and down. Anybody REALLY know whats causing it and the cure? Changed to new battery, and checked the oil. No luck!
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