Search found 189 matches

by ducadini
Fri Feb 16, 2018 11:40 pm
Forum: Engine & Transmission Shop
Topic: Chain links or endless chain
Replies: 4
Views: 95

Re: Chain links or endless chain

In the +40 years of riding and racing Ducati (and other bikes), I only once had a mishap with the chainlink. No disaster, the chain just ran off the while pushing the bike to the start line (THAT would've been an event :lol: :lol: ) Later we found out that my "mechanic/girlfriend/catering" had leane...
by ducadini
Fri Feb 02, 2018 12:36 am
Forum: Wheel, Brake & Tyre Shop
Topic: 76 750ss wheel hub finish
Replies: 6
Views: 130

Re: 76 750ss wheel hub finish

I pulled the 4777's apart, cleaned the rims and blasted the hubs. Then they went away for polishing (the rims) and then everything went into the anodizing bath. Hubs were a darker grey and the rims were a bit dull (due to the anodizing). Some MG ss spokes and everything was good for life :shock: :sh...
by ducadini
Fri Feb 02, 2018 12:28 am
Forum: Engine & Transmission Shop
Topic: 860Gt intake port flash - anybody seen this?
Replies: 7
Views: 118

Re: 860Gt intake port flash - anybody seen this?

AND in the middle of the "anni di piombo" , the lead years. Heavy fighting and lots of lead spent wrong. I guess it could make a man wondering what was going on out there while he was at work. Still seems strange that there was so much material left in that place. IIRC the heads were produced on 1 m...
by ducadini
Thu Feb 01, 2018 12:29 am
Forum: Wheel, Brake & Tyre Shop
Topic: 76 750ss wheel hub finish
Replies: 6
Views: 130

Re: 76 750ss wheel hub finish

I had my hubs and bearingcarriers blasted, inside hub polished and then anodised. Trouble is that the high silica content of the cast aluminium turns it to a darker grey after anodising. Plus : With anodised rims and hubs and stainless spokes, those wheels still stand in perfect condition after 35 y...
by ducadini
Fri Jan 26, 2018 8:22 am
Forum: Chassis & Suspension Shop
Topic: Mudguards what is interchangeable with 860
Replies: 2
Views: 291

Re: Mudguards what is interchangeable with 860

The Darmah mudguards are different is shape.
Front shouldn't be a problem, for the rear I think You need also the plastic bottom part and taillight holder.
No need to chrome, Darmah has stainless steel of rather good quality.

ciao
ducadini
by ducadini
Thu Jan 11, 2018 3:28 pm
Forum: Engine & Transmission Shop
Topic: How to compress piston rings. STRUGGLE
Replies: 9
Views: 402

Re: How to compress piston rings. STRUGGLE

Hey Richard, no need tocrawl in the dust : I never saw or got the four piece oilscraper so didn't really understand what was causing the problem. It just seems I Always got the two or three piece oilscraper that was delivered OEM. Glad it worked out fine then. Waiting for some poufs out of those pip...
by ducadini
Sat Jan 06, 2018 10:08 am
Forum: Squarecase BOSCH Ignition Engines > SD, SSD Darmah, late 900 SS & 900 GTS
Topic: Sync beavel gear
Replies: 13
Views: 375

Re: Sync beavel gear

Indeed, the flat sides of both couplings must face the righthend side AND the vertical piston must be at TDC. THEN the dots are aligned at the bottom. Could take several turn to get to this. If the cylinderhead beveldots are aligned (could take several turns and those flat sides are facing to the le...
by ducadini
Sat Jan 06, 2018 2:59 am
Forum: Squarecase BOSCH Ignition Engines > SD, SSD Darmah, late 900 SS & 900 GTS
Topic: Sync beavel gear
Replies: 13
Views: 375

Re: Sync beavel gear

OOPS :oops: Forgot about the support plate that's hiding those bevels. And it’s not really easy to take the support off to check the bevels I open Steve’s site (thank You Steve) two times so I can open both the 860 GT-GTS workshopmanual on page 103 AND the 860 parts manual on page DS. On page 103 WS...
by ducadini
Fri Jan 05, 2018 2:39 pm
Forum: Squarecase BOSCH Ignition Engines > SD, SSD Darmah, late 900 SS & 900 GTS
Topic: Sync beavel gear
Replies: 13
Views: 375

Re: Sync beavel gear

UHOH, You're in trouble now :-) Unless You are VERY sure how many turns You did on the crank, best thing is to take the RH side cover of and align the dots on the gears. Done that, the halves of the Oldham coupling should both be in a 90° or 180° angle as to the crank . Can't remember which. If the ...
by ducadini
Fri Dec 29, 2017 4:43 pm
Forum: Engine & Transmission Shop
Topic: New victim in Phoenix AZ (continued from the INTRO section)
Replies: 18
Views: 435

Re: New victim in Phoenix AZ (continued from the INTRO section)

As Bruce noticed, strange that the damage seems to be on the same side on both pistons. Assume that the bigends are having trouble, then the pistons would both be pushed against the backside of the cylinder, thus creating more heat and running dry over ALL the height of the piston. I would think tha...
by ducadini
Thu Dec 28, 2017 12:29 am
Forum: Engine & Transmission Shop
Topic: New victim in Phoenix AZ (continued from the INTRO section)
Replies: 18
Views: 435

Re: New victim in Phoenix AZ

Someone has been working on the heads/camshafts : that nut is NOT stock, nor have I seen anything like it. Is the damage of the same kind on both pistons ? Or just the rear ? The only time I saw THAT marks on a piston is when the bigend said enough and pushed the piston against the backside of the c...
by ducadini
Sun Dec 24, 2017 2:26 pm
Forum: Engine & Transmission Shop
Topic: New victim in Phoenix AZ (continued from the INTRO section)
Replies: 18
Views: 435

Re: New victim in Phoenix AZ

Sobered up, came to Your senses and buy a Ducati Bevel :roll: :roll: Something's not right :-D Not really sure what happened on the way home : You say it just coasted to a halt, with electrics but NO ignition. Then when kicking it over, no compression. On one or both pots ? Are those High-compressio...
by ducadini
Sun Dec 24, 2017 2:11 am
Forum: Engine & Transmission Shop
Topic: New victim in Phoenix AZ (continued from the INTRO section)
Replies: 18
Views: 435

New victim in Phoenix AZ (continued from the INTRO section)

Like the modern(ish) bikes, love the bevel. Blew the top end ? As in : it exploded, imploded, or just quit giving bangs ? Seems like a 860 engine, so one plausible cause is the ignition giving up under 2k rpm (or giving up completely). No rocketsurgery, just brainscience :-D as long as you follow so...
by ducadini
Tue Dec 12, 2017 8:58 am
Forum: Engine & Transmission Shop
Topic: How to compress piston rings. STRUGGLE
Replies: 9
Views: 402

Re: How to compress piston rings. STRUGGLE

Richard, I understand Your reluctance to re-use a circlip, I think most of the errors and resulting damage is from the fact that they are incorrectly fitted. When fitted with the opening down, there is (except from the rocking movement of the piston in the bore) no force to open them (or better : cl...
by ducadini
Mon Dec 11, 2017 12:31 am
Forum: Engine & Transmission Shop
Topic: How to compress piston rings. STRUGGLE
Replies: 9
Views: 402

Re: How to compress piston rings. STRUGGLE

Richard, Try this : 1 : take all the rings and fit them into the cylinder, check gap, that way you are SURE they will fit 2 : fit the two top rings onto the piston 3 : fit the oilrings from the bottom so they don't get messed while fitting the two tops 4 : space the gaps of the two top rings accordi...

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