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  1. Gwilliam

    Advice needed on sick Stone please!

    I do indeed have the 2V pushrod, open loop setup and if that is the simplified version of your V-10 Centauro, then you have my admiration and sympathy in equal quantities! Thank you for your good wishes.
  2. Gwilliam

    hydraulic valves or not? Cali Stone 2002

    I have a 2001 80th Anniversary Stone in the same limestone white as yours. The VIN is ZGUKDC4KD1M155044. The tenth digit of the VIN denotes the year of manufacture: mine is a 1 from the 2001 and yours is a 2 indicating the 2002 date of manufacture. Mine was not registered for road use until it...
  3. Gwilliam

    Outex tubeless conversion for spoke wheels

    I resolved this issue on my California Stone with the assistance of the Holy Trinity (Todd, Scott and John Zibell), who walked me through the process of swapping the tubeless aluminium wheels from an earlier, donor EV onto my Stone. Repairing a tube may be OK for some but when touring in Europe...
  4. Gwilliam

    Advice needed on sick Stone please!

    Believe me, I would rather ride it than work on it! I have owned this bike for over twelve years and have done little to the engine apart from servicing and the "bolt on" intake and exhaust modifications. I am not "looking for issues", I am looking for a solution to an issue that has made itself...
  5. Gwilliam

    Advice needed on sick Stone please!

    Hi Scott, Thanks for the warning. I can see where you are coming from regarding the factory set stop plate throttle screw, on the synching the Stelvio throttle bodies article that you recommended reading earlier. However, I don't believe that the California is quite as sophisticated or fussy...
  6. Gwilliam

    Advice needed on sick Stone please!

    A short update for anybody still interested in this saga! I haven't had a lot of time or opportunity recently to experiment with the fuelling of this bike. However, I have noticed a variation in the TPS voltage as the throttle closes fully, when setting the initial 150mv. This can be induced by...
  7. Gwilliam

    Advice needed on sick Stone please!

    Hi Scott, When I mentioned the lean mixture and retarded ignition condition I was referring to the fact that I had originally set the tps at a value of 150mv before continuing with the idle stop 520mv setting etc. The bike gave all the indications of a lean mixture and/or retarded ignition...
  8. Gwilliam

    Advice needed on sick Stone please!

    I'm not sure how radical it is - I didn't have to cut into the loom. There are 2-3 inches of exposed wires between the end of the loom sleeve and the ECU plug, so it was easy to attach two lengths of wire at that point. As I have had to connect to those two wires several times recently, I felt...
  9. Gwilliam

    Advice needed on sick Stone please!

    Yes, I realised what he meant but I found it difficult to make a reliable connection that way. It is also more awkward than using the two pick-up leads that I have now installed. I work with wires on a daily basis so it was not too tricky to shave off a small section of insulation to expose...
  10. Gwilliam

    Advice needed on sick Stone please!

    Hi Scott, After perforating the two wires several times with fine sewing needles, I realised that I needed a better solution to provide the necessary access in order that I can easily check the TPS voltages. I therefore shaved a small section of the insulation from each of the wires and...
  11. Gwilliam

    Advice needed on sick Stone please!

    In the recent 2003 California Titanium thread by Hydrolastic he wrote the following: Got my Carbmate today, so I set about tuning things up. It turns out the throttle bodies were well balanced, but the TPS was off. The TPS part was the most complicated part. The connector on my bike does not...
  12. Gwilliam

    Advice needed on sick Stone please!

    Hi John, This is what the text says in the photograph: PF3C Test Report. The PF3C is a non-linear TPS, with steep rise for small throttle opening, for best resolution during real world riding and has a less discernable rise towards WOT. This TPS's angle to voltage response curve. (The graph...
  13. Gwilliam

    Advice needed on sick Stone please!

    Hi John, You may well be right about the different Marelli units being pretty much the same. Installing the borrowed PF3C Marelli unit on my bike did not create the detonation problem. I believe that has only occurred since fitting the Cycleworks unit. They do supply a spec sheet with the new...
  14. Gwilliam

    Advice needed on sick Stone please!

    Having done a lot of further reading on the subject of throttle position sensor failures on Californias, my mental fog is finally clearing and things are beginning to make sense. I now believe that the problem is my use of a Cycleworks replacement TPS, which probably does not exactly match the...
  15. Gwilliam

    Advice needed on sick Stone please!

    That makes sense but I have recently learned that making sense does not necessarily apply with Guzzi engines! However, I was checking the recommended fuelling map that I downloaded for a similar state of tune to mine and there are some big swings at 40% throttle, from -7% at 2500rpm to +9% at...
  16. Gwilliam

    Advice needed on sick Stone please!

    I have a Power Commander III USB with the map appropriate to the H pipe, Lafranconi Riservato Competitzioni mufflers, K&N air filter element and cut down airbox lid. I have been running it quite happily like that for several years but something has changed slightly since messing with the...
  17. Gwilliam

    Advice needed on sick Stone please!

    Hi Guys, This is just a short update on the progress so far: Vagrant was correct with his suggestion that the air outlet pipe elbow to the L/H throttle body wasn't completely seated in the air box. Unfortunately, correcting the fault made no difference to the squeaking/ticking (possibly...
  18. Gwilliam

    Advice needed on sick Stone please!

    Thanks for the suggestions. There is a possibility that at least one of the rubber elbows between the airbox and the plastic tube to the throttle body may not be fully engaged. I disturbed them several times swapping throttle bodies around so I will pull the tank and air filter to check and...
  19. Gwilliam

    Advice needed on sick Stone please!

    Hi guys, As a follow up to the throttle position sensor replacement: all of the original parts have now been refitted with a new aftermarket tps. I set that up using John's preferred method of setting the 150mv with the L/H butterfly fully closed and the linkage disconnected, before winding up...
  20. Gwilliam

    tappets

    Hi Geof, If you haven't already taken care of the tachometer issue on your Stone, I can tell you that I installed one of the many electronic models available from the web on my Stone several years ago. If you are not worried about matching dials there are a variety of sizes available that are...
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