Don't do this - Honda Rincon Forum : RinconRiders Honda Rincon Forums
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post #1 of 44 (permalink) Old 07-01-2010, 03:05 PM Thread Starter
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Don't do this

We have had a couple rear driveshaft splines strip out. We may have a member with this condition right now.

If you lock up the rear disk on the rincon the rear wheels will whip back and forth against the freeplay in the rear end and splines. Its hard to describe but easy to see and feel. I watched Gooch lock up his rear brakes and slide past me in Harlan, the amount of back and forth wheel rotation was amazing. This puts huge impact loadings into the entire rear drivetrain...especially the rear splines. Its a function of having the disk on the driveshaft and not at the rear wheel hubs.

My advice, never lock up the rear brake in 2wd unless its an emergency. In 4 wd the rincon transfers braking torque (force)to the front end also and avoids this rear wheel whipping motion.

Wheelies are hard on the splines also but you can't avoid whellies..right :-)

2003 green Rinny (12,400 miles), "25" Bighorn Radials (white letters out) full of extra slime, water pump mod, no warning labels, E Trex, everything else like Mr. Honda made it. 2000 XR 400r (est 3,500 miles). RIDE RED EVEN IF ITS GOT GREEN PLASTIC!

2013 Yamaha Super Te'ne're' (27,400 miles in 22 months), 1996 Toyota Tacoma 4x4 (392,000 miles) on tight and original motor. 2001 4Runner (82,000 miles).
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post #2 of 44 (permalink) Old 07-01-2010, 03:55 PM
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Thanks Corndog. You have mentioned this many times. So what your saying is use the rear brake as a back up or only when going down hill? Now Isee why you got 9000 miles from your rear beake.

Perhaps a "visual aid" either showing affected parts or before and after parts would help illistrate to some of our more thick headed members.

No Gooch, you ain't thick headed. BKR is though. LOL

~2005 Rincon black~
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post #3 of 44 (permalink) Old 07-01-2010, 04:41 PM
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hmm. mine really only does the chatter when coming down hills. and anymore I put it in 4wd if I can because it does give me better control. but I always use my rear brake to get the rear to slide through corners.

Member of Limitless Offroad 2007 Camo rincon. 3200 miles since june 6th 2008.
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post #4 of 44 (permalink) Old 07-01-2010, 05:38 PM
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Wheelies are absolutely unavoidable. So I guess I will be searching the Internet for rear end parts eventually.

Good judgment comes from experience, and a lot of that comes from bad judgment.
Will Rogers


2007 Green Rincon W/Mods
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post #5 of 44 (permalink) Old 07-02-2010, 08:23 AM Thread Starter
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Actually after looking at mine again last night for another thread I am partially incorrect. This will only effect the parts behind the driveshaft splines. The driveshaft is mounted to the front of the disk. So the brake chatter will only effect the rear end gears, CVs, and axle half shaft splines...still abusive and unnecessary wear.

Sunk, I cut my teeth on dirt bikes. Going downhill fast doesn't bother me and I hardly ever use my brakes unless I am trying not to hit somebody. I wouldn't go as far as to say only as a bcak up, but I would stop short of maximum braking and not lock up the rears...its easy to do since it takes a bit of pressure to lock them up any way. In 4wd squeeze away.

2003 green Rinny (12,400 miles), "25" Bighorn Radials (white letters out) full of extra slime, water pump mod, no warning labels, E Trex, everything else like Mr. Honda made it. 2000 XR 400r (est 3,500 miles). RIDE RED EVEN IF ITS GOT GREEN PLASTIC!

2013 Yamaha Super Te'ne're' (27,400 miles in 22 months), 1996 Toyota Tacoma 4x4 (392,000 miles) on tight and original motor. 2001 4Runner (82,000 miles).
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post #6 of 44 (permalink) Old 07-02-2010, 08:40 AM
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So your saying my splines are not alines!!

2003green,rincon,water pump mod,25inch big horns,prm skid plates.2010 skidoo adrenaline 800R P TEC. 2014 Ford F250 platium crew cab
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post #7 of 44 (permalink) Old 07-02-2010, 09:09 AM Thread Starter
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Gooch..your rincon will never wear out. I suspect crash damage will be its worst enemy.

So next year, will you be taking it as easy as this year? You animal...:-)

2003 green Rinny (12,400 miles), "25" Bighorn Radials (white letters out) full of extra slime, water pump mod, no warning labels, E Trex, everything else like Mr. Honda made it. 2000 XR 400r (est 3,500 miles). RIDE RED EVEN IF ITS GOT GREEN PLASTIC!

2013 Yamaha Super Te'ne're' (27,400 miles in 22 months), 1996 Toyota Tacoma 4x4 (392,000 miles) on tight and original motor. 2001 4Runner (82,000 miles).
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post #8 of 44 (permalink) Old 07-02-2010, 09:35 AM
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No next year I am going to take it a noch.I am planning on making it but the way the boeing 787 is going I have to go to boeing to do retrofits on the environmental control system in aug and nov.If it is not done by the end of this year it rolls into next year.

2003green,rincon,water pump mod,25inch big horns,prm skid plates.2010 skidoo adrenaline 800R P TEC. 2014 Ford F250 platium crew cab
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post #9 of 44 (permalink) Old 07-03-2010, 12:09 PM
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everything lasts longer if you dont use it, or use it gently but thats not what i had in mind

06 rincon, 12" ss112 wheels 26 xtr tire, heated grips,reverse override, full aluminum products skids, 60' cycle country plow, high lifter front springs, 2"lift,maddog rear bag

her ride: 06 rancher 400a/t, 12"itp type-7 wheels, 25" xtr's, full aluminum skids, uni filter and jetted, heated grips

2004 dodge ram 1500 yeah its got a HEMI
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post #10 of 44 (permalink) Old 07-03-2010, 04:19 PM
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Yeah, cjk, that's right. Don't use it at all and it'll last forever. What kind of advice is that? Actually, this effect Corndog is referring to (I'd call it 'stick-slip induced torsional oscillation') doesn't hurt the drive line or axle splines at all*, even if the drive line was on the bevel gear side of the brake disk. I know Corndog's heart is in the right place but sadly, its more bad mechanical engineering advice from a C.E. who thinks he's a M.E. A properly designed splined connection is stronger than the torsional strength of the shaft. In other words, you will shear off the axle or drive line before you will fail (or even significantly strain) the splines. By far the #1 (maybe the ONLY) failure mode for these splined shafts in the Rincon is corrosion, which will undoubtedly kill them quickly. However, if they are greased and clean, stick-slip oscillation will not hurt them. Just consider that the drive torque of the engine is significantly higher than the judder you might get going downhill with the rear brake on.

So sayeth the "ball-bearing know-it-all" LOL

*inasmuch as any usage at all will produce wear...which is kind of the antonym to "Don't use it at all and it'll last forever"
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