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docc

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Posts posted by docc

    Alternator bolt / side stand mount

    in Technical Topics

    Posted

    The bolt would likely bottom in the blind hole without a spacer standing it off. A pair of normal flat washers "might " do it, but getting the 70-75 Nm is apparently important to expect that little leg to hold up our heavy girl . . .

    Just a reminder for everyone to check that torque and make sure the smaller (red circled) fastener hasn't wiggled itself loose. When that one fails, it takes a bit of the sump spacer with it.

    • Thanks 2

    Mike Rich pistons

    in Technical Topics

    Posted

    45 minutes ago, Kevin_T said:

    I spoke with Mike Rich right after covid he told me he wasn't interested in modifying bikes any more. His passion or pay check is for cars. So I was wondering if you could post a picture of a Mike Rich piston? It would be interesting to see the difference between his piston and a Fast by Ferracci piston. Kind of curious if they skirt coating on them to.

    When you mention the pistons are 579 grams is that the entire piston assembly? Does that include piston, pin, ring pack and clips because my 2002 weighted in at 598.6. I don't know Guzzi was able drop 20 grams per piston assembly between 2002 and 2004 but 40 grams off balance would be a no go in my book. Lot of things could make Mike's pistons lighter narrower ring pack, tapered wrist pin. Just asking.

    Oh, no! I waited too long to get Mike Rich valves and headwork?!?  :(

     

    • Sad 1

    clutch slave

    in Technical Topics

    Posted

    6 hours ago, audiomick said:

    Thanks, docc. That's for the clutch master cylinder, isn't it?

               [docc edit: I posted the wrong part for the clutch master cylinder rebuild 

                          kit,  so these links are not correct, either. My bad.:blush:

                                    @Speedfrog posted the correct part below. ]

    For the europeans, Stein-Dinse and Wendel both seem to have an equivalent:

     

    https://www.stein-dinse.com/de/bremszylinder-reparatur-satz-ps-12/item-2-1045955-17659352-.html

    https://wendelmotorraeder.de/rep-satz-handgeber-12er-rund_gu17659352-w1-p-6111800.html

    In fact, Wendel has two alternatives, but I'm not convinced that the price difference justifies this one... B)

    https://wendelmotorraeder.de/bausatz-hpumpenueberholung_gu17659352-p-1001708.html

    Here is the correct kit from Stein-Dinse:

    https://www.stein-dinse.com/en/front-brake-master-cylinder-repair-kit-brembo-ps-13/item-2-1098059-GU28659378-.html

    And from Wendel (but almost triple the cost!):

    https://wendelmotorraeder.de/pump-revision-kit_gu28659378-p-1005001.html

    Best Euro price at TLM:

    https://tlm.nl/moto-guzzi-triumph/286593780000-revisieset-rempomp-ps13-lm1000-c1100

     

    • Like 1
    • Thanks 1

    clutch slave

    in Technical Topics

    Posted

    15 hours ago, pete roper said:

    Both V11's and CARC bikes are murder on their clutch fluid. I have no idea why for sure but looking at the broken spring in your pic I'd think water intrusion has to be part of it.

    Bottom line is that it is vital that the fluid be changed on a yearly/10,000km basis if problems wish to be avoided. On the CARC series bikes this is a breeze because the slave cylinder has a remote breather on the end of a hose under the seat. With the V11's of course you have the stupid nipple on the slave cylinder itself! The obvious answer to this is to make up a hose for the bleed side with a nipple on the end and run it up under the seat like the later bikes thus rendering the pain in the arse bleed a non issue!

    Such good advice to freshen the clutch fluid yearly. :luigi:

    I reviewed my service records and see that I have rebuilt the clutch master cylinder every 100.000 km.

    In the first 62,000 miles, I changed the fluid every year (8-14 months), six times. Except for once that I let it go three years. :o

    In the second interval (68,000 miles), the clutch fluid was changed eight times averaging every other year, twice going to the three year mark. Bad docc. Bad. :huh: :blush:

    Just a reminder, though, that I row my gearbox and flash my clutch like a jackrabbit on hot lava . . . :ph34r: :ninja: :glare:

    YMMV!  :race:

    IMG_5995.jpg

    Cars...

    in Special place for banter and conversation

    Posted

    8 minutes ago, fotoguzzi said:

    Did I tell you guys I joined the 100mph (1/4 mile) club this summer at the BIR drag strip?

    out of 125 racers I had the third fastest reaction time. Got me into the shoot out but I jumped the light in the finals.

    IMG_3765-600x400.jpg

     

    I thought all drag racing had dropped back to the 1/8 mile.

    My 300hp V-8 "back in the day" was a contender on the street. Probably mid-14s/ 90-ish on the quarter mile.

    What was your trap time @fotoguzzi?

    clutch slave

    in Technical Topics

    Posted

    34 minutes ago, OldButNotDead said:

    Brilliant! I wonder if a variant of this general approach could keep my 87yo dear-old-Dad from peeing all over the floor vs in the toilet?

    Doc - were there characteristic symptoms when the clutch master cylinder spring let go?  I'm not convinced my issues are resolved, so will file all these suggestions away for future reference.

     

    Absolutely. The lever travel ("freeplay") increases bringing the lever close and closer to the handgrip to actuate the clutch. In simplest terms, a gap opens up between the lever and the actuating rod (the spring, otherwise, keeps these surfaces in contact).

    Initially, this can be addressed changing the adjustable lever position. Then, the engagement screw can be turn in closer the actuating rod of the master cylinder.

    Neither of these actions are the solution, but are an indication the spring has broken.

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