The Rincon transmission, how does it work? - Honda Rincon Forum : RinconRiders Honda Rincon Forums
 
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post #1 of 3 (permalink) Old 05-09-2017, 05:04 PM Thread Starter
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The Rincon transmission, how does it work?

Still messing with this 06 that I've been on again, off again on for a while now.


It runs fine, takes off fine in first, but when it goes to shift into second, the rear wheels lock up. Same thing in third. First and Reverse work fine.


I found someone with a similar problem that said it is probably an issue with the flow tubes under the front cover.




Honda ATV Parts 2006 TRX680FA A FRONT CRANKCASE COVER Diagram


"Yes that is the high flow/ low flow tubes inside that cover #17 and #18. Just back out the hex bolt, use a small flat head or a magnet to get them out. You will able to tell how they go in there. The go into your secondary clutch. When I put the cover back on my Rincon I pinched the end of the log tube which cause the exact same problem you are describing. If that is not your issue then you can make sure your transmission worm holes are clean also, which is the box right above the hex bolt."

So if I understand correctly, the Rincon runs on oil pressure. When in Reverse and first, the oil pressure is directed through a specific oil port in the valve assembly and that pressure goes to and engages the clutch under the front cover. When in 2nd and then 3rd, the oil pressure is redirected through these oil tubes to the 2nd and 3rd gear clutches, which are in the center with the crankshaft. Is that correct?


Can anyone tell me how to get out part number 38 in that linked schematic above? I took the cap off. Tube #17 came out easily enough, but the part number 38 doesn't want to move, and obviously that keeps me from being able to see tube #16.


Thanks for an insight anyone can offer.
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post #2 of 3 (permalink) Old 05-10-2017, 03:58 PM
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I seem to recall you posting earlier about rebuilding this motor....Sounds to me like you need to revisit the re-assembly. I think you may have blocked a passage either by compression or by an O ring sliding while being inserted (to block or create a choke point) and they roll real easy if you didn't have them coated in oil while reassembling.


Whatever in life be your goal, keep your eye upon the doughnut and not on the hole.

03 Green, UHMW skid, Aluminium products bash plate and stick guards, CDI, Warn Winch and 52" Plow. ITP XTR 26 x 10 /12, Rear Trunk that holds more than 36 beer. Stock wheels cause there is nothing lighter! and over 20,000 KM's with a stupid grin on my face 2017 New piston, rings cam, tensioner, AMSoil 0/40 Synthetic. Like I have a new Rincon 14 years later!
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post #3 of 3 (permalink) Old 05-11-2017, 11:20 AM Thread Starter
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Yeah, I actually pulled up the service manual and there's a very good illustration of how the transmission works in the technical section.


I'm going to try to pull the oil tubes and see if they were misaligned or bound up when I put the front cover on. When shifting to second or third, the valves send oil pressure through the oil tubes to the 2nd and 3rd clutch assemblies, so looks like oil pressure isn't getting to those clutches.


The part #38 comes out with needle noses according to the FSM (which I had, but was looking in the wrong section) so apparently I'm just not pulling hard enough. If it won't come out I'll pull the front cover and fix it that way.


For anyone in the future looking for how it works, go here, download the manual, and look in section two and it shows exactly how the valve body and solenoids work to direct the oil flow to different parts of the transmission.


https://drive.google.com/drive/folde...lRpdjBDQjl5TGs


Thanks for the reply Oilcan. I'm sure you're right. I appreciate the response
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