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by ducadini
Tue Oct 08, 2019 11:21 am
Forum: Chassis & Suspension Shop
Topic: Darmah damper rod
Replies: 3
Views: 190

Re: Darmah damper rod

Took some time to find a the right pics to clarify. Marzocchi and Ceriani have similar builds, nothing interchangeable though. Bottom of the pic is the damper unit, on the right is the piston that moves up and down in the forktube. The left is the flow restrictor, (the ally part, the washer with the...
by ducadini
Mon Oct 07, 2019 12:09 am
Forum: Chassis & Suspension Shop
Topic: Darmah damper rod
Replies: 3
Views: 190

Re: Darmah damper rod

I don't think so ! The spring is for when the fork is completely extended (like when doing a wheelie :rad: :rad: ) to prevent a hard metal/metal contact. It is a bottoming spring, to soften the jolt if all the travel is used up on a sharp bump. Its rate is much stiffer than the main spring. That par...
by ducadini
Tue Aug 27, 2019 12:30 am
Forum: Introduce Yourself
Topic: Hi from Switzerland!
Replies: 9
Views: 2994

Re: Hi from Switzerland!

Red circle : The meshing of the teeth is indeed off. Not much of a problem, they just return the shifter-pat to its Original position. Adjustment is for returning the shifter to the center position, and when it's off too much the shifter doesn't return correctly. Shifting up OR down will become diff...
by ducadini
Fri Aug 16, 2019 7:10 am
Forum: The Rumour Mill
Topic: Not a barn find but ...
Replies: 1
Views: 2623

Not a barn find but ...

Last weekend, up in the Alps at walking distance from Gavia, Stelvio and some other nice places. Weatherforecast wasn't too good, temperatures dropping to the mid twenties and intermittend showers. Not good if the only stuff we had were two bikes (nothing petrol nor electric) and walking gear. So we...
by ducadini
Mon May 06, 2019 1:24 pm
Forum: Engine & Transmission Shop
Topic: Clutch Grabs Violently on Fresh Engine
Replies: 9
Views: 2532

Re: Clutch Grabs Violently on Fresh Engine

I think We can find the reason in the first sentence : Rolled the bike out today for the 1st time after a fresh engine rebuild With new clutchplates and springs and a new setup (extented lever) it was SURE to get exciting :-D :-D Give the plates some time to oil up and VERY probably it will become s...
by ducadini
Sun Apr 21, 2019 12:41 am
Forum: Wheel, Brake & Tyre Shop
Topic: Can't get the rear Brembo master cylinder to prime
Replies: 8
Views: 2720

Re: Can't get the rear Brembo master cylinder to prime

Is it possible totake the whole system off the bike ? Then You could position it so that the air flows out on itself. Later You can put a little pressure on the master, the bubbles get smaller and flow faster. I made sure the "business-end" of the piston was VERY smooth, same for the lever and apply...
by ducadini
Sun Apr 21, 2019 12:37 am
Forum: Bevel Head Twins Photo Gallery
Topic: So close, 81 MHR
Replies: 10
Views: 3210

Re: So close, 81 MHR

NIce bike :-D :-D
Now get it on the road ;)

ciao
ducadini
by ducadini
Thu Apr 18, 2019 11:41 pm
Forum: Wheel, Brake & Tyre Shop
Topic: wider rear tyre
Replies: 4
Views: 2326

Re: wider rear tyre

Yes, it does interfere with the geometry. Luckily the geometry of a Darmah is such that You have to do very stupid things before You get into the dangerzone. Fitting 16" Montjuic wheels ( with 120/160 tires) made it tuck in heavily and made it VERY prone to aquaplaning. But why bother ? With my 18" ...
by ducadini
Tue Apr 09, 2019 12:23 am
Forum: Engine & Transmission Shop
Topic: Clutch working way to separate on a 900 square case
Replies: 5
Views: 2346

Re: Clutch working way to separate on a 900 square case

Before taking the cover off : check if the pressureplate is getting lifted evenly. Put the bike on the stand, clutch in and kick a few times 'till it's loose. Then put it in gear, pull the clutch and wiggle a bit with the rear wheel. If it's better, chance the clutch will have to undergo some checki...
by ducadini
Thu Apr 04, 2019 12:48 am
Forum: Engine & Transmission Shop
Topic: Overweight Wiseco 87mm Pistons
Replies: 5
Views: 2213

Re: Overweight Wiseco 87mm Pistons

NICE work :-D
You would almost say Wiseco forgot to machine them before putting them in the box.
Keep up the good works.

ciao
ducadini
by ducadini
Sun Feb 24, 2019 11:44 pm
Forum: Engine & Transmission Shop
Topic: 6 dogs walk into a bar, 3 short and 3 tall.
Replies: 2
Views: 2263

Re: 6 dogs walk into a bar, 3 short and 3 tall.

In the perfect factory where Guido could take his time to shim the gearbox perfectly, the six-dog would work perfectly for the rest of it's owners life. But when the three shafts' shimming is on the sloppy side, AND worst case scenario, the dogs get rounded and gears go popping out. It takes a few h...
by ducadini
Tue Feb 19, 2019 12:19 am
Forum: Squarecase Early 860/900 Crossover Gearchange Engines > 860/900 GT
Topic: 860GT Right Side Cover...stuck??
Replies: 10
Views: 3312

Re: 860GT Right Side Cover...stuck??

Does it REALLY have to come off ? or is it just to fix the broken screw ? It should stay on and not leak with one bolt missing so :roll: If the hex head is gone, there should be no further obstruction to remove the cover. Just the two dowels AND the crankshaft can hold it in place. Options : Some si...
by ducadini
Fri Feb 15, 2019 9:39 am
Forum: Bevel Head Twins Photo Gallery
Topic: Let's see some pics!
Replies: 10
Views: 3677

Re: Let's see some pics!

Not convinced :oops: :oops:
In those days, Black/Gold was a JohnPlayerSpecial set and Italian colors came from the Big Great Red Reservoir in EmiliaRomagna :-D :-D
Still a nice bike though ;)

ciao
Ducadini
by ducadini
Thu Feb 14, 2019 11:52 pm
Forum: Bevel Head Twins Photo Gallery
Topic: Let's see some pics!
Replies: 10
Views: 3677

Re: Let's see some pics!

Looks JUST the right tool to cruise at +100 without getting tired. MPH of course :-D :-D :-D
Without the fairing it would get nasty after an hour :oops:
Very Nice bike, really wouldn't change anything except using it :vroom: :vroom:

ciao
ducadini
by ducadini
Tue Feb 12, 2019 2:49 am
Forum: Bevel Drive Twins
Topic: DUCATI original manuals brochures for sale
Replies: 13
Views: 7538

Re: DUCATI original manuals brochures for sale

Nice poster and together with Cook and Mike they form the Holy threesome of bevelheaven :-D

ciao
ducadini

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