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| Hinckley Classic Triples 885cc Classic Styled T3's: Legend, Thunderbird, Thunderbird Sport & Adventurer. |
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04-26-2008, 08:02 PM
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#1 (permalink)
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Senior Member
Formula Extreme
Join Date: Aug 2004
Location: Stockholm, Sweden
Posts: 907
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Engine cover front sprocket gasket and oil seal
Hi,
Whadda ya guys do? Do you change the oil seal for the gear shifter rod as well when you're changing the front sprocket?
Seems I've got a little oil leak coming from that area and figure I might as well put a new oil seal in while I'm at it. Maybe that's standard praxis...but I thought I ask the board anyhooo.
Speedy got knocked over the other day by a blind cager so it needs to go to the shop...Thunderasaki is going to get a well deserved stretch these coming weeks. Look forward to it!
Best,
Spoonero
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04-27-2008, 03:53 AM
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#2 (permalink)
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Senior Member
SuperStock Favourite Bike: 2K T-Bird
Join Date: Oct 2005
Location: Cincinnati, Ohio USA
Posts: 215 Other Motorcycle: '98 900 Trident Extra Motorcycle: '85 Nighthawk
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gasket and seal
Hi Spooner.
Yes, according to everything I've read and heard, you are supposed to replace the gasket and the shifter oil seal anytime that sprocket cover comes off.
That said, about three weeks ago I was just finishing a major repair on my bike. I had ordered the gasket and seal from a normally reliable parts supplier, but they had dropped the ball this time, and I still didn't have the parts when it was time to reassemble the bike. I was eager to find out if motor would even start at all after the work I had done, so I straightened out the old, mangled gasket best as I could, and slapped the thing back together--just long enough to get a test ride, mind you.
Oh, I should mention that I have *always* suffered from oil leakage around the shifter rod, despite replacing the seal.
Well, this time around, with the torn and mangled gasket and the seal that those pointy shifter rod splines had traveled through repeatedly--what do you think? Yep. No leakage at all. In fact, for the first time since I purchased the bike almost three years ago, it is 100% leak-free.
I hardly know what to make of this. On one hand, it's a major pain in the butt to take that front sprocket cover off, and I certainly wouldn't want to have to do it twice because I'd been too lazy or too cheap to replace the gasket and seal. On the other hand, at least in this one instance, a new gasket and seal were quite unnecessary.
Go figger.
Sorry to hear about Speedy. You do have your share of cager-related mishaps, don't you? Glad you weren't hurt.
__________________
"If the women don't find you handsome, they should at least find you handy."
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04-27-2008, 06:35 AM
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#3 (permalink)
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Senior Member
Formula Extreme Favourite Bike: Me Thunderbird of course
Join Date: Aug 2006
Location: Collombatti NSW Australia.
Posts: 590 Other Motorcycle: Toyota Landcruiser Extra Motorcycle: IT 490
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Good idea to replace the lock washer on the coutershaft sprocket nut too.
__________________
I believe there is no such thing as accidents. When I ride I must leave enough room for others stupid mistakes, added to that is enough room to make my own.
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04-27-2008, 11:41 AM
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#4 (permalink)
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Senior Member
Formula Extreme Favourite Bike: 1996 Adventurer
Join Date: Jun 2007
Location: Massachusetts
Posts: 589 Other Motorcycle: 2000 DRZ400-S Extra Motorcycle: '99 Ninja 250,'04 KDX200
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Quote:
Originally Posted by DaleE
On one hand, it's a major pain in the butt to take that front sprocket cover off,
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I have to change my sprocket set very soon, and I was just wondering why you say this cover is difficult to remove. Can you tell what makes this task so difficult, or what pieces have to come off before the cover can be accessed (shift lever....more?)
I have an electric impact wrench for the CS nut, so hopefully that will not be a problem.
Thank You!
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04-27-2008, 12:43 PM
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#5 (permalink)
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Lifetime Premium
Site Supporter Moto Grand Prix Favourite Bike: Mutato -- 2K Adventurer
Join Date: Apr 2004
Location: Leander, Texas, USA
Posts: 2,625
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Tape over the splines when you remove or install the cover and that will save your seal from cuts. A little oil or grease helps too.
I've done chains on a couple of these bikes so far and if everything is in good shape to start with there aren't any problems.
Jim
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04-27-2008, 04:12 PM
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#6 (permalink)
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Senior Member
Formula Extreme
Join Date: Aug 2004
Location: Stockholm, Sweden
Posts: 907
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Quote:
Originally Posted by DaleE
Sorry to hear about Speedy. You do have your share of cager-related mishaps, don't you? Glad you weren't hurt.
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Good for you!
I've had no leaks on my bike except this once...and that's after letting somebody else working on the bike. Lesson learned
You know what...I don't get it either. ***!! This is the third time or something...rear-ended twice on Thunder and then Speedy gets knocked over when parked...talk about bad juju. The best thing (NOT!) is that my helmet was hanging from the mirror so it's gotta go too since it got smashed under the bike. Hell, I went to the dealer this weekend to try out new helmets and I realized I've got an Arai RX-7 head!!...beautiful...that's gonna rip a big hole in my pocket cuz I'm pretty sure the insurance company will insist that I'm still a Shoei head and a three year old one at that....so I'll prolly have to put the difference in myself.
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04-27-2008, 04:48 PM
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#7 (permalink)
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Senior Member
SuperStock Favourite Bike: 2K T-Bird
Join Date: Oct 2005
Location: Cincinnati, Ohio USA
Posts: 215 Other Motorcycle: '98 900 Trident Extra Motorcycle: '85 Nighthawk
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okay, a relative pain in the butt
Quote:
Originally Posted by gregp
I have to change my sprocket set very soon, and I was just wondering why you say this cover is difficult to remove. Can you tell what makes this task so difficult, or what pieces have to come off before the cover can be accessed (shift lever....more?)
I have an electric impact wrench for the CS nut, so hopefully that will not be a problem.
Thank You!
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Greg,
For anybody who knows what he's doing, this would probably be considered a simple task. Problem is, I rarely fall into that category.
The first time I did it, I had all kinds of difficulty getting the cover past the clutch push rod. I kept thinking, a little farther, just a little farther, without realizing that the push rod will follow the cover out for about a foot or so, if you don't hold it back. That's the trick I learned then, just hold the push rod back as you pull the cover off, and the rest is all straightforward enough.
The shift lever of course has to come off, and the footpeg, and I also had the sidestand off, though I don't think that was required. And you know that you'll lose a bit of oil, right? That locking flange on the sprocket nut was not cheap, if memory serves, and I went ahead and re-used the same one, though I wouldn't want to do that repeatedly.
Having someone around to hold the bike in place when you torque the sprocket nut is also a very good thing.
__________________
"If the women don't find you handsome, they should at least find you handy."
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04-27-2008, 04:56 PM
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#8 (permalink)
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Lifetime Premium
Site Supporter Moto Grand Prix Favourite Bike: '98 Thunderbird Sport
Join Date: Aug 2003
Location: Indianapolis, IN
Posts: 2,585 Other Motorcycle: '06 Husqvarna TE 610 Extra Motorcycle: '95 TBird - Project
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I replaced all three seals.
Clutch push-rod seal
Shifter shaft seal
Countershaft seal
Those are not very expensive, and I figure replacing them while it is all apart is just good preventive maintenance.
The countershaft seal was noticeably worn on both my bikes.
__________________
Cheers,Denny
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04-28-2008, 11:54 AM
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#9 (permalink)
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Member
Grand Prix 250 Favourite Bike: 1997 Triumph Thunderbird
Join Date: Jun 2006
Location: Iowa, USA
Posts: 79 Other Motorcycle: 1959 Sears/Puch Allstate
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Quote:
Originally Posted by denny
I replaced all three seals.
Clutch push-rod seal
Shifter shaft seal
Countershaft seal
Those are not very expensive, and I figure replacing them while it is all apart is just good preventive maintenance.
The countershaft seal was noticeably worn on both my bikes.
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Good call, denny! I thought the exact same thing the last time I replaced the spockets. They are pretty easy to replace as long as the cover is off anyway. +1
Noel
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