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Twinpot Brake upgrade on 78 Skunk
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mattfeet
I had an upgraded 14MM Nissin unit but I just cant build up enough pressure for a good lever feeling. It WORKS but not overly well.
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Originally posted by mattfeet View PostI had an upgraded 14MM Nissin unit but I just cant build up enough pressure for a good lever feeling. It WORKS but not overly well.
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mattfeet
I bought it for my CB360 project and swapped it over to my GS for this project. Its in great shape and works perfectly fine. $100 shipped and its yours. They got for $140-150 new.
Matt
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Forum LongTimerGSResource Superstar
Past Site Supporter- Oct 2006
- 13968
- London, UK to Redondo Beach, California
1980 GS1000G - Sold
1978 GS1000E - Finished!
1980 GS550E - Fixed & given to a friend
1983 GS750ES Special - Sold
2009 KLR 650 - Sold - gone to TX!
1982 GS1100G - Rebuilt and finished. - Sold
2009 TE610 - Dual Sporting around dreaming of Dakar..... - FOR SALE!
www.parasiticsanalytics.com
TWINPOT BRAKE UPGRADE LINKY: http://www.thegsresources.com/_forum...e-on-78-Skunk/
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mattfeet
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mattfeet
GOt my new MC in today and it made a world of difference. Went for the maiden voyage and she stops on a dime (compared to old, that is). Just want to bleed the brakes a bit better for a firmer lever and Ill be one happy customer.
Matt
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Forum LongTimerGSResource Superstar
Past Site Supporter- Oct 2006
- 13968
- London, UK to Redondo Beach, California
The stock Tokico brake pad is a good alternative to the EBC HH - they are both sintered.
The HH does bite a little harder though.
If you drop down to Organic pads you can really feel the difference (though it is still a lot better than stock).
With the latest kit stock bolts can be used. In the beginning I supplied the fine thread hardware as it was an odd length (45mm) due to the fact that the Aluminium brackets were about twice as thick. They were sort of difficult to get here in the US. I recommend a bit of blue loctite on these bolts. Looks like the Kawi bolts used in the install above but the Zuki bolts work too.
A lot of hardware stores have 40mm & 50mm fine thread M10's & nuts.
Last edited by salty_monk; 06-19-2014, 03:11 PM.1980 GS1000G - Sold
1978 GS1000E - Finished!
1980 GS550E - Fixed & given to a friend
1983 GS750ES Special - Sold
2009 KLR 650 - Sold - gone to TX!
1982 GS1100G - Rebuilt and finished. - Sold
2009 TE610 - Dual Sporting around dreaming of Dakar..... - FOR SALE!
www.parasiticsanalytics.com
TWINPOT BRAKE UPGRADE LINKY: http://www.thegsresources.com/_forum...e-on-78-Skunk/
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mattfeet
So I picked up a 16mm MC and the brakes are still pretty spongy. The lever has about 1.0" travel before the brakes even grab. Do I need to re-bleed? I haven't even seen a bigger MC than 16mm so I can't imagine that's my issue. Thoughts?
Matt
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If you re-bleed and the problem is still there, then check for lost motion in your calipers and pay particular attention to wear in the sliding pins/holes. It's just in the nature of sliding calipers that wear happens and it's possible the ones you got might be high mileage.---- Dave
Only a dog knows why a motorcyclist sticks his head out of a car window
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mattfeet
They only had ~8k miles on them, single owner bike. To verify, where specifically are you talking about?
Matt
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Originally posted by mattfeet View PostThey only had ~8k miles on them, single owner bike. To verify, where specifically are you talking about?
Matt
Is it similar to this one, from an '88 ZX600?
---- Dave
Only a dog knows why a motorcyclist sticks his head out of a car window
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mattfeet
Yea, same caliper. I took them apart, re-lubed, and replaced all seals when I got them. Everything there looked ok to me but I also wasn't looking for damage, either.
Matt
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If the pins have more than a smidgeon (technical term) of side-to-side play, that will translate into lost motion as the caliper will rock on the pins initially. As the caliper and pads bed in, it might even improve a bit, but the wear is still there. Eventually it will lead to uneven wear on the pads and they'll wear in a wedge shape, leading you to dumping the pads before you get the full mileage out of them.---- Dave
Only a dog knows why a motorcyclist sticks his head out of a car window
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