docc Posted October 1, 2017 Share Posted October 1, 2017 The practice of cleaning and "evening out" the pistons at every tire change has really improved my brakes. Link to comment Share on other sites More sharing options...
gstallons Posted October 2, 2017 Share Posted October 2, 2017 I think it is crafty that you fixed it to where you could extend one piston at a time & clean it up , then go to the next one until you have finished them all . Link to comment Share on other sites More sharing options...
Scud Posted October 2, 2017 Share Posted October 2, 2017 Thanks. I was having a hard time moving just one piston with various clamps and wedges - so frustration was the mother of invention here. As Cabernet mentioned on the last page, I suspect this is a short-term fix, so I'll get a set of seals in. There's an e-bay seller in the UK called powerhouse-uk that lists an aftermarket seal kit for Moto Guzzi V11 front calipers. They make caliper rebuild kits for many bikes, so I have also inquired about the rear caliper. Link to comment Share on other sites More sharing options...
gstallons Posted October 2, 2017 Share Posted October 2, 2017 If you fiddle with these things remember , NO petroleum products EVER . There is a brake assembly fluid available and you should purchase and use it . BTW , these caliper pistons and seals are designed to retract to the original position after the master cylinder is released . Link to comment Share on other sites More sharing options...
bbolesaz Posted October 2, 2017 Share Posted October 2, 2017 Cycle World website has a just released caliper rebuild video. BTW brake assembly fluid = plain old brake fluid. 1 Link to comment Share on other sites More sharing options...
Cabernet Posted October 2, 2017 Share Posted October 2, 2017 Thanks. I was having a hard time moving just one piston with various clamps and wedges - so frustration was the mother of invention here. As Cabernet mentioned on the last page, I suspect this is a short-term fix, so I'll get a set of seals in. There's an e-bay seller in the UK called powerhouse-uk that lists an aftermarket seal kit for Moto Guzzi V11 front calipers. They make caliper rebuild kits for many bikes, so I have also inquired about the rear caliper. If you get anywhere, give me a PM. I will order yours and for myself, being in the UK and ship your on at a good exchange and shipping rate. Sent from my D5803 using Tapatalk Link to comment Share on other sites More sharing options...
gstallons Posted October 3, 2017 Share Posted October 3, 2017 Cycle World website has a just released caliper rebuild video. BTW brake assembly fluid = plain old brake fluid. BTW brake assembly fluid = Raybestos BAF-12 I have used this for more than 20 years . Google it . Link to comment Share on other sites More sharing options...
bbolesaz Posted October 3, 2017 Share Posted October 3, 2017 Looks like BAF-12 is just DOT3 fluid ? I'd rather not mix and use DOT-4 to lube the seals on assembly. Link to comment Share on other sites More sharing options...
gstallons Posted October 3, 2017 Share Posted October 3, 2017 I'm not going to argue about it . You use what you want & I will use what I want . Link to comment Share on other sites More sharing options...
Scud Posted October 4, 2017 Share Posted October 4, 2017 The guys at Powerhouse in the UK were super helpful. They have now listed 5 different kits for V11 Sport/Lemans brake caliper rebuilds, including a set of stainless steel pistons for the fronts. Here are the links: http://www.ebay.co.uk/itm/Moto-Guzzi-V11-Le-Mans-2001-2004-Brembo-front-brake-caliper-seal-repair-kit-/181430373173?hash=item2a3e17cb35 http://www.ebay.co.uk/itm/Moto-Guzzi-V11-Le-Mans-1999-2005-rear-brake-caliper-seal-repair-rebuild-kit-/152728235183?hash=item238f4fecaf http://www.ebay.co.uk/itm/Moto-Guzzi-V11-Le-Mans-1999-2005-rear-brake-caliper-piston-seal-repair-kit-/162694437725?hash=item25e1581b5d http://www.ebay.co.uk/itm/Moto-Guzzi-V11-Le-Mans-Sport-Front-Brake-Caliper-Stainless-Steel-Piston-Set-/182804949523?hash=item2a90062a13 http://www.ebay.co.uk/itm/Moto-Guzzi-V11-Le-Mans-Brembo-Goldline-front-caliper-brake-pad-retaining-pins-/152728253973?hash=item238f503615 I ordered seals for fronts and rear. They combined shipping. 3 Link to comment Share on other sites More sharing options...
footgoose Posted October 4, 2017 Share Posted October 4, 2017 Thanks for the research Scud Link to comment Share on other sites More sharing options...
docc Posted October 4, 2017 Share Posted October 4, 2017 Still nothing for the clutch slave? Link to comment Share on other sites More sharing options...
bbolesaz Posted October 4, 2017 Share Posted October 4, 2017 Almost makes me want to re-build my brakes ! Link to comment Share on other sites More sharing options...
chris a Posted January 17, 2018 Share Posted January 17, 2018 Spot on Scud...just passed on your links to some french dude who was saying that these calipers are scrap once the seals are gone.What was the quality like??? Link to comment Share on other sites More sharing options...
Chuck Posted January 18, 2018 Share Posted January 18, 2018 Thanks Scud.. Link to comment Share on other sites More sharing options...
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