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SPOFF
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« on: June 11, 2010, 02:36:23 PM » |
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Just finished installing my new Pinwall pumpkin. On the test ride the rear oil sprayed all over the tire. Could a simple overfilling cause this? Or do I have an oil seal blown? The pumpkin supposably only has about 5,000 miles use and there was no sign of leakage when I inspected it.  |
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DFragn
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« Reply #1 on: June 11, 2010, 02:40:08 PM » |
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Dang, hard to overfill it unless you filled it on a bench! Sounds more like a seal.
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Thunderbolt
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« Reply #2 on: June 11, 2010, 03:27:20 PM » |
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and or put it in a roll on chock. Verify the oil level is correct. Fill it to the bottom of the fill cap. If it was too full, you have probably found your trouble.
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SPOFF
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« Reply #3 on: June 11, 2010, 05:30:02 PM » |
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At least we have a win for the dark side.  My BF Goodrich was soaked in oil, but none of it got around the corner to the tread I was using. If I had a bike tire on there, I'd be complaining about a nasty low side to go with my oil slick.  |
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Patrick
Member
Posts: 15433
VRCC 4474
Largo Florida
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« Reply #4 on: June 11, 2010, 05:55:38 PM » |
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Your not giving us a whole lot of info.. Where is it leaking?? How and where was it filled and how much ?? It only holds 5 ounces and the little chrome thingy on top is the vent, not the fill plug or fill level..
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Chrisj CMA
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« Reply #5 on: June 12, 2010, 05:15:34 AM » |
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I have never seen a hypoid gear oil acceptable for this application in straight "90w" its always like a 75-90 or something like that..........are you using a 90w gear oil thats not a hypoid rated lube?
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MP
Member
Posts: 5532
1997 Std Valkyrie and 2001 red/blk I/S w/sidecar
North Dakota
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« Reply #6 on: June 12, 2010, 05:21:42 AM » |
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+1 Chris. Check the bottle. It MUST have a GL-5 rating on it.
Also, it may be too full. Stand bike straight up, and remove the fill plug. On the lower side, not the top vent hole. Not the bottom drain plug either. Let any oil out that wants to come out. When it quits running out, then it is just right. No more.
MP
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 "Ridin' with Cycho" |
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Tropic traveler
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Posts: 3117
Livin' the Valk, er, F6B life in Central Florida.
Silver Springs, Florida
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« Reply #7 on: June 12, 2010, 08:11:40 AM » |
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Maybe the vent is plugged on the used unit. If there is no venting the whipped up gear lube WILL find a place to vent from, & not where you want it to!
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« Last Edit: June 12, 2010, 07:51:32 PM by Tropic traveler »
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Madmike
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« Reply #8 on: June 12, 2010, 09:57:03 AM » |
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Maybe the vent is plugged on the used unit. If their is no venting the whipped up gear lube will find a place to vent from, & not where you want it to!
...not sure how complete the assembly was that you purchased but if it was a complete unit they may have sealed off the vent for shipping so that it wouldn't leak in transit.... |
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BradValk48237
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« Reply #9 on: June 12, 2010, 11:34:15 AM » |
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Same thing just happened to me.....filled it on the side stand and didn't straiten the bike up (have a Craftsman lift now D'oh!!!!) dribbled out a bit on the wheel, freaked me out and then quit after a few miles...... I then put it on the new lift-straight up and down, dripped a couple of drops out of the fill hole a bit and now no problems since.
B
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Chrisj CMA
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« Reply #10 on: June 13, 2010, 05:07:59 AM » |
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guys guys guys.......these are not Ford trucks we are working on. Oil all over the rear is not cool. If you drain the pumkin and fill it on the bike....(I choose to do it while removed) but on the bike, its easier to fill it on the side stand. BUT!!!!!! ONLY POUR IN 150CC. It will not over flow and it will be full. cap it wipe off any drops you spilled and you dont have a wheel and tire covered in oil |
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SPOFF
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« Reply #11 on: June 13, 2010, 10:52:32 AM » |
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I used the correct oil and filled it correctly. Used the double stand and rechecked level with a carpenter's level because my driveway isn't level. Vent could be clogged, the chrome cap is beat up. I need to disassemble the whole ass end (again) to gain access to the fill cap. I'll need to pull the wheel see if there's oil on the inside seal. Probably need to replace all the moly grease that got washed out if that is where it leaked. My plan is to pull the wheel, reinstall the exhaust, set the oil level correctly, and churn the rear end for a bit to see where the oil is coming out. This isn't weeping we're talking about here, this is a Gulf of Mexico pressurized leak. |
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Old Geezer Richard
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« Reply #12 on: June 13, 2010, 08:11:55 PM » |
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 Hey SPOFF , I had something similar happen to me last weekend after a days ride ..... Duh !! not paying attention talking to a friend who does not ride AND asking questions while I was draining the pumpkin AND refilling , NOT PAYING ATTENTION WHILE TALKING I had the bike leaned over on the kick-stand which over filled it by alittle bit enough for the excess to blow out the vent tube .... wiped off my C/T and went for an all day ride yesterday and no mo gear oil stain or anything dripping ... I always use Amsoil 75-90 syn. gear oil ..... Da bike has to be straight up when refilling .... and I have a bike chock/stand ......... never BS with friends while doing maint. , lesson learned 
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« Last Edit: June 13, 2010, 08:28:36 PM by OLD GEEZER »
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If you don't care where you're going, then you ain't lost , Murphy's Law because wherever you are going to , it ain't going nowhere .... San Antonio,Tx.
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SPOFF
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« Reply #13 on: June 14, 2010, 08:24:53 PM » |
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Today I refilled the pumpkin. Went for a 1/4 mile ride. Parked it and waited. Over the next 15 minutes, all the oil leaked out again. I'm guessing the big seal around the ring gear splines. I'll order all three oil seals and split the pumpkin. I'll also doublecheck the vent but I think it's okay. At least my V-Max is running great. I'll ride that to Bike Week. |
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Wildman
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« Reply #14 on: June 15, 2010, 04:08:34 AM » |
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The 3 "O"-rings that are replaced with a tire change do not seal the Gear oil in the pumkin.
Maybe the leak originates deeper in the pumkin.
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ptgb
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« Reply #15 on: June 15, 2010, 05:48:44 AM » |
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Forgive my simplicity...
Is the washer on the drain plug? O-ring on the filler hole plug?
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« Last Edit: June 15, 2010, 05:51:15 AM by ptgb »
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 Lower Lakes 1000 - 07/07 & 09/10 * Bun Burner GOLD - 09/10 Lake Superior 1000 - 07/11 * Lake Michigan 1000 - 09/11 * Lake Huron 1000 - 09/11 Saddlesore 2000 - 09/11 * Ohio 1000 - 07/13 |
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Cliff
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« Reply #16 on: June 15, 2010, 06:02:35 AM » |
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Hey Spoff,
I'm in south Manchester. If you need a second set of hands or anything, else give me a shout, it is a short ride from my place to Derry. My house is 1/2 mile north of the new bridge under construction over the Merrimack.
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VRCC # 29680
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MP
Member
Posts: 5532
1997 Std Valkyrie and 2001 red/blk I/S w/sidecar
North Dakota
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« Reply #17 on: June 15, 2010, 06:10:24 AM » |
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Did I read your post right? You went for a ride, came home, parked it, then it leaked all out?
Where is it leaking?
vent hole
fill hole
drain hole
left side axle
right side axle
pinion cup hole
seam for the 2 halves
Different leaks, different fixes. You still have not stated where it is leaking.
I would take up the offer above for help. Sometimes a second set of eyes can spot the obvious. Has happened to me many times.
MP
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"Ridin' with Cycho" |
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SPOFF
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« Reply #18 on: June 16, 2010, 07:12:53 PM » |
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Forgive my simplicity...
Is the washer on the drain plug? O-ring on the filler hole plug?
Yep. Already swapped those parts with the old pumpkin. I know those parts have held oil for 12 years. |
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SPOFF
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« Reply #19 on: June 16, 2010, 07:16:24 PM » |
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Did I read your post right? You went for a ride, came home, parked it, then it leaked all out?
Where is it leaking?
vent hole
fill hole
drain hole
left side axle
right side axle
pinion cup hole
seam for the 2 halves
Different leaks, different fixes. You still have not stated where it is leaking.
I would take up the offer above for help. Sometimes a second set of eyes can spot the obvious. Has happened to me many times.
MP
The oil is coming out of the square hole at the bottom of the black plastic dust guard plate, which means it coming out somewhere on the inside gear case cover. I haven't pulled the wheel yet to isolate exactly where it's coming out. It's probably the inner case cover oil seal that rests against the large ring gear bearing. Hopefully it can be replaced without removing the bearing. (I count 6 special Honda tools for just the ring gear assembly.  ) There's also a seal at the other end of the ring gear sealing two (2?) case bearings. If this one was leaking oil might weep out past the axle into the wheel. So I need to take the wheel off and hopefully see where the oil is coming out. Unless I lose interest and it sits until next year. |
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lee
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« Reply #20 on: June 17, 2010, 05:54:27 AM » |
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Time is not what is taken but what remains. C. Drewry  |
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SPOFF
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« Reply #21 on: June 17, 2010, 07:42:30 AM » |
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I agree. That's the seal that is most likely the culprit. I'll pop off the wheel to confirm that but it's a $13 part.  |
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Cliff
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« Reply #22 on: June 17, 2010, 08:22:24 AM » |
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I agree. That's the seal that is most likely the culprit. I'll pop off the wheel to confirm that but it's a $13 part. I'm hoping for your sake the #32 seal is the fix and it can be done without pumpkin dismantle!!! |
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VRCC # 29680
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F6Dave
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« Reply #23 on: June 17, 2010, 07:34:31 PM » |
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Two months ago, my '98 began leaking a slight amount of gear oil from bottom of the plastic cover between the final drive and the wheel. I pulled the wheel and drive, and wasn't quite sure where the oil was leaking from. After staring at the diagrams at length I decided about the only place it could come from was that big oil seal between the ring gear and inside final drive cover.
A service manager at a dealer told me I'd have to tear down the unit to replace the seal, and heat the cover to remove it. Thankfully I didn't believe him! I ordered a new seal from HDL (none of 7 nearby dealers stocked it, even though I think it is the same seal as a 1500 GW). I EASILY replaced it from the outside. The old one popped right out with a screwdirver. I was able to press the new one in part of the way with my thumbs, then carefully tapped it flush with the cover with a big bolt head.
It hasn't leaked a drop in over a thousand miles.
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