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Author Topic: Rejuvenating rubber  (Read 2959 times)
Galactica
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« on: February 14, 2023, 08:09:20 PM »
Does anyone happen to remember the oil of wintergreen mixture for rejuvenating rubber?   I have some oil of wintergreen and would like to try it.
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Past rides:
75 Honda CB750K5
80 Suzuki TS250
 ? Yamaha Maxim 550
73 Z1 900
76 Kz900 A1
77 Kz1000 A1
78 Kz1000 B2 Ltd
79 Kz1000 B3 Ltd
80 Kz1000 C
99 Triumph Tiger 900
84 Honda VF750 Interceptor
77 Honda CB750


Current ride:
2019 Yamaha Tracer900

Current project:
1975 Honda CB750K5
hardrockminer
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« Reply #1 on: February 15, 2023, 05:25:04 AM »
I was told that Xylene works.  I bought some a couple of years ago but haven't tried it.
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Past rides include a 1973 Suzuki GT380 & a 1975 Kawasaki Z1B

I currently ride a 1975 Kawasaki Z1B - Classic Plated
I also ride a 1980 Kawasaki KZ 1000 LTD - Classic Plated, and a 2006 Honda Goldwing with a Daytona 2+2 sidecar

My Sweetums rides a 2019 Suzuki DR650
fffCycles
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The Crazed Acquisitor
« Reply #2 on: February 15, 2023, 08:32:05 AM »
I believe it was Bear that told about this one and I have seen it a few other places.
Put the rubber in a small pot so you can cover with water add a teaspoon of wintergreen oil for each 10-12 ounces of water heat up to a low simmer for 2-4 minutes then let cool. Has worked pretty good for me. In general I use the Wurth’s rubber recovery putting the item in a plastic bag and spraying then sealing for a couple of days
Frank
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'82 RD 350LC, '84 VFR1000F, '51 Ariel Square Four, '81 Honda C70 Deluxe, '70 BSA A65 Thunderbolt Bobber, '66 Ducati 250 Monza, '75 Triumph Trident T160, '56 Ariel Red Hunter VH500 (plated)
'71 BSA B50SS, '71 Commando 750, '72 Norton Roadster 750 Combat, '74 NORVIL 850, '77 RE Bullet, '51 Ariel Square 4(collector plates)
rolling,  '68 441 Victor Special, '69 441 Victor Special, '76 Yamaha RD 400, '48 BSA A7 500 Twin, '71 Suzuki Stinger T125
rebuilding, '68 A65 Thunderbolt, '48 BSA A7 500 Twin,  '69 Norton S type 750, '71 Norton Commando 750, (2) '63-65 Honda CA200 Sport Touring, '78 Honda CT90, '36 Ariel Red  Hunter VH500 twin-port,’51 Ariel NH350 twin-port
waiting (5) D1/D7/D14/TrailBronc - BSA Bantams, '67 A65 Spitfire, '66 441 Victor Enduro, (2) '61 DM100C Ducati Cadet, (2) '76 Kawasaki KH400, '70 Bultaco Mk3 Lobito 125, (6) 59 to 63 Tiger Cubs, '74 Ducati 450 Scrambler,'69 BSA Rocket 3, '51 rigid and '53 sprung BSA C10's, '56 Ariel SQ4, '49 Ariel SQ4, '32 Ariel SB31 550cc SideValve
Twisted_Twin
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« Reply #3 on: February 15, 2023, 04:46:49 PM »
This stuff is the business:

https://www.amazon.ca/MG-Chemicals-Rubber-Liquid-Bottle/dp/B008O9X3KS
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It's important to feel comfortable in your own skin because it's illegal to wear someone else's.
Galactica
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Posts: 4640
« Reply #4 on: February 15, 2023, 07:38:54 PM »
Quote from: Twisted_Twin on February 15, 2023, 04:46:49 PM
This stuff is the business:

https://www.amazon.ca/MG-Chemicals-Rubber-Liquid-Bottle/dp/B008O9X3KS

I already have a couple of bottles of oil of wintergreen.  I texted Bear.  He’s going to take a look in his files and see if he can find his recipe.  Hopefully he’ll get back to me tomorrow.  Meanwhile I’ve begun dismantling and cleaning.
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Past rides:
75 Honda CB750K5
80 Suzuki TS250
 ? Yamaha Maxim 550
73 Z1 900
76 Kz900 A1
77 Kz1000 A1
78 Kz1000 B2 Ltd
79 Kz1000 B3 Ltd
80 Kz1000 C
99 Triumph Tiger 900
84 Honda VF750 Interceptor
77 Honda CB750


Current ride:
2019 Yamaha Tracer900

Current project:
1975 Honda CB750K5
Hawkeye
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If you can't get one, make one.
« Reply #5 on: February 15, 2023, 09:11:52 PM »
I don't know about rubber, but neoprene responds well to carb cleaner. Plumps it up in a couple of minutes. The fuel valve on the CB750 was dripping. I took the insert out and soaked it for a few minutes, then fished it out and let it dry. Put the valve back in and fueled it up. I lost track of how many years it still held.

RD, did you leave the same petcock in when you worked on the bike?
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Mike
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Past: '77 Honda 400 Four Super Sport
        '79 Honda 750K
        Honda CT70
        '78 XS400
        '81 Honda GL1100 (Collector Plate) (x2)
Present: '66 Honda CT200 Trail 90
             '77 Honda 750 Four K
             '83 Honda GL1100 (Collector Plate)
             '83 Honda 750 Shadow (Collector Plate)
Future: '77 Honda 400 Four Super Sport
hardrockminer
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« Reply #6 on: February 16, 2023, 05:33:53 AM »
Quote from: Twisted_Twin on February 15, 2023, 04:46:49 PM
This stuff is the business:

https://www.amazon.ca/MG-Chemicals-Rubber-Liquid-Bottle/dp/B008O9X3KS

I see Xylene on the list of ingredients!
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Past rides include a 1973 Suzuki GT380 & a 1975 Kawasaki Z1B

I currently ride a 1975 Kawasaki Z1B - Classic Plated
I also ride a 1980 Kawasaki KZ 1000 LTD - Classic Plated, and a 2006 Honda Goldwing with a Daytona 2+2 sidecar

My Sweetums rides a 2019 Suzuki DR650
fffCycles
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The Crazed Acquisitor
« Reply #7 on: February 16, 2023, 10:23:25 AM »
And methyl salicylate, which is the active ingredient of Wintergreen oil.
Frank
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'82 RD 350LC, '84 VFR1000F, '51 Ariel Square Four, '81 Honda C70 Deluxe, '70 BSA A65 Thunderbolt Bobber, '66 Ducati 250 Monza, '75 Triumph Trident T160, '56 Ariel Red Hunter VH500 (plated)
'71 BSA B50SS, '71 Commando 750, '72 Norton Roadster 750 Combat, '74 NORVIL 850, '77 RE Bullet, '51 Ariel Square 4(collector plates)
rolling,  '68 441 Victor Special, '69 441 Victor Special, '76 Yamaha RD 400, '48 BSA A7 500 Twin, '71 Suzuki Stinger T125
rebuilding, '68 A65 Thunderbolt, '48 BSA A7 500 Twin,  '69 Norton S type 750, '71 Norton Commando 750, (2) '63-65 Honda CA200 Sport Touring, '78 Honda CT90, '36 Ariel Red  Hunter VH500 twin-port,’51 Ariel NH350 twin-port
waiting (5) D1/D7/D14/TrailBronc - BSA Bantams, '67 A65 Spitfire, '66 441 Victor Enduro, (2) '61 DM100C Ducati Cadet, (2) '76 Kawasaki KH400, '70 Bultaco Mk3 Lobito 125, (6) 59 to 63 Tiger Cubs, '74 Ducati 450 Scrambler,'69 BSA Rocket 3, '51 rigid and '53 sprung BSA C10's, '56 Ariel SQ4, '49 Ariel SQ4, '32 Ariel SB31 550cc SideValve
Galactica
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Posts: 4640
« Reply #8 on: February 16, 2023, 05:37:31 PM »
I have oil of wintergreen and xylene.  I’m wondering what mixture ratio I should use, how long to soak the rubber, etc.
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Past rides:
75 Honda CB750K5
80 Suzuki TS250
 ? Yamaha Maxim 550
73 Z1 900
76 Kz900 A1
77 Kz1000 A1
78 Kz1000 B2 Ltd
79 Kz1000 B3 Ltd
80 Kz1000 C
99 Triumph Tiger 900
84 Honda VF750 Interceptor
77 Honda CB750


Current ride:
2019 Yamaha Tracer900

Current project:
1975 Honda CB750K5
hardrockminer
BCCMC Star (5K)
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« Reply #9 on: February 17, 2023, 05:35:11 AM »
For the Xylene I was told 15 minutes, and do it outdoors because of fumes.
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Past rides include a 1973 Suzuki GT380 & a 1975 Kawasaki Z1B

I currently ride a 1975 Kawasaki Z1B - Classic Plated
I also ride a 1980 Kawasaki KZ 1000 LTD - Classic Plated, and a 2006 Honda Goldwing with a Daytona 2+2 sidecar

My Sweetums rides a 2019 Suzuki DR650
Galactica
1000 Class
******
Online Online

Posts: 4640
« Reply #10 on: February 17, 2023, 11:21:00 AM »
I was just talking to Bear.  His recipe is:

Using appropriate PPE (respirator and gloves), in a covered glass container, use a 5:1 mixture (5 parts xylene to 1 part oil of wintergreen).  Immerse rubber parts and check every two hours. 

Smaller items like grommets can swell too much to fit back into the holes and carb boots can grow in length.  So care must be taken. 
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Past rides:
75 Honda CB750K5
80 Suzuki TS250
 ? Yamaha Maxim 550
73 Z1 900
76 Kz900 A1
77 Kz1000 A1
78 Kz1000 B2 Ltd
79 Kz1000 B3 Ltd
80 Kz1000 C
99 Triumph Tiger 900
84 Honda VF750 Interceptor
77 Honda CB750


Current ride:
2019 Yamaha Tracer900

Current project:
1975 Honda CB750K5
Galactica
1000 Class
******
Online Online

Posts: 4640
« Reply #11 on: February 20, 2023, 08:08:19 PM »
By golly, it works.  Thanks for the info, Bear.
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Past rides:
75 Honda CB750K5
80 Suzuki TS250
 ? Yamaha Maxim 550
73 Z1 900
76 Kz900 A1
77 Kz1000 A1
78 Kz1000 B2 Ltd
79 Kz1000 B3 Ltd
80 Kz1000 C
99 Triumph Tiger 900
84 Honda VF750 Interceptor
77 Honda CB750


Current ride:
2019 Yamaha Tracer900

Current project:
1975 Honda CB750K5
rz5mark
1000 Class
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« Reply #12 on: February 28, 2023, 06:26:55 PM »
Wgere do you get xylene ?
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Galactica
1000 Class
******
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Posts: 4640
« Reply #13 on: February 28, 2023, 08:28:30 PM »
Sorry, I’ve no idea.  I’ve had it for eight, nine years or more.  Seems to me I found it on a work site I was on.  Someone said it was a good degreaser.  Thankfully I never used it.  It’s really toxic cancerous stuff. 
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Past rides:
75 Honda CB750K5
80 Suzuki TS250
 ? Yamaha Maxim 550
73 Z1 900
76 Kz900 A1
77 Kz1000 A1
78 Kz1000 B2 Ltd
79 Kz1000 B3 Ltd
80 Kz1000 C
99 Triumph Tiger 900
84 Honda VF750 Interceptor
77 Honda CB750


Current ride:
2019 Yamaha Tracer900

Current project:
1975 Honda CB750K5
hardrockminer
BCCMC Star (5K)
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« Reply #14 on: February 28, 2023, 08:30:06 PM »
I picked a can up at Home Depot.  I think it was the Kamloops Home Depot but it may have been Squamish. 
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Past rides include a 1973 Suzuki GT380 & a 1975 Kawasaki Z1B

I currently ride a 1975 Kawasaki Z1B - Classic Plated
I also ride a 1980 Kawasaki KZ 1000 LTD - Classic Plated, and a 2006 Honda Goldwing with a Daytona 2+2 sidecar

My Sweetums rides a 2019 Suzuki DR650
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