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  • Users: Sahms
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  1. Sahms

    More Le Mans 850 piston questions

    That would be sweet, but I already have the (cast) Asso pistons on the way. Are those forged slugs? I built a big-bore motor for a friend's Le Mans 1, and he had some monster Venolia forged pistons that we used (in iron bores). The clearance recommended by Venolia was huge compared even to...
  2. Sahms

    More Le Mans 850 piston questions

    And it's not for cost-savings. Even when Gilardoni does a run of cylinder kits, they haven't included the Le Mans 850 versions, which use a different piston.
  3. Sahms

    More Le Mans 850 piston questions

    No Gilardoni kits for Le Mans motors I have seen in years, if ever. I will have a couple of Eldo cylinders nikasil plated to match the pistons, which I went ahead and bought.
  4. Sahms

    More Le Mans 850 piston questions

    1: I am looking at some new Le Mans pistons, but I am used to seeing them manufactured by Mondial, and these have "ASSO" cast in them underneath. Has anyone seen this maker's name before? 2: Le Mans I bikes were almost all iron cylinders, but some late Le Mans II bikes had Nigusil. Are the...
  5. Sahms

    850 Le Mans high beam flash wiring question

    I had a lens/reflector with the cute little pilot bulb, so I really wanted the park circuit to work. The switch has the position, but the wiring diagram on the package doesn't call it out. It was relatively simple, but it's been a while. I found this: and:
  6. Sahms

    850 Le Mans high beam flash wiring question

    I used the generic left-side switch block MG Cycle sells, and on my LM the high beam is triggered by the Flash, and the high beam indicator lights as well. I used the Euro CEV switch from 1993 or so on my T3 (same wiring) and it works the same way.
  7. Sahms

    Race Pics

    post deleted
  8. Sahms

    Breather options, square-fin in an 850T frame

    Don't go away mad! Geeze! I take it you're not the happy kind of drunk. Yes there's heat, but there's also crankcase pumping pressure and gravity involved. The valve cover vents are unvalved, while the big crank vent has a check valve. Any pressure in the valve covers will be greater that...
  9. Sahms

    California Big Valve details

    Well, it's a VV engine number. Maybe they just pulled complete Le Mans 1000 motors off the shelf and chucked em into some Cali bikes? Should make the T fly.
  10. Sahms

    Breather options, square-fin in an 850T frame

    Sorry for my lack of understanding. There will likely be no airbox on this creation. The motor is a 949 big-valve cali motor and does have the vents on the heads below the valve covers and does not have the small oil drain line to the sump that round-fins have next to the larger breather...
  11. Sahms

    Breather options, square-fin in an 850T frame

    I searched, really. My old copy of Guzziology mentions a hi-po breather, but says it only works with motors that have the oil drain line in the bellhousing. Probably no airbox. How to get the vapors out and the oil back in (I guess through the valve cover vents?).
  12. Sahms

    California Big Valve details

    Got the motor hauled home, and it appears to have the skinny flywheel a la the LM 1000.
  13. Sahms

    Convert Swingarm same as 5-speed bikes?

    Thanks John. Part # matches that of the G5, so I am good to go.
  14. Sahms

    Convert Swingarm same as 5-speed bikes?

    Minus the guts, of course..just seeing if I can use a convert swingarm that I have on a 5-speed bike or if I need to source a disc-brake, 5-speed model swingarm. Thanks!
  15. Sahms

    California Big Valve details

    Does anyone know if the Big Valve Cali motor had the same flywheel as the Le Mans 1000 motor? Any other differences between the two motors? TIA
  16. Sahms

    949 Big Valve Head ID

    Well, the heads are still bolted to the motor, so the seller can't see the valve sizes, but the port size should help. I wondered if they have 6mm vs 8mm inlet manifold screws like the round-fin Le Mans heads. Hope you're feeling better Pete!
  17. Sahms

    949 Big Valve Head ID

    Can the 949 big valve heads easily be ID'd while still installed on the motor like the round-fin Le Mans heads can? TIA
  18. Sahms

    tonti & loop pix thread

    post deleted
  19. Sahms

    V7 Sport Clutch Disengagement

    I have seen this happen whan the throwout bearing comes apart. Check the outer body to see if it's flush with the rear cover of the trans. If it's sunk in much deeper than flush, it may be a good idea to take a look at the bearing, which requires the swingarm to be pulled first.
  20. Sahms

    PHF 36's on 850T

    Something must have been communicated outside this thread then, but whatever. Glad you got it sorted.
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