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by Jordan
Wed Feb 20, 2019 11:20 am
Forum: Ducati Singles Main Discussions (& How to Join)
Topic: checking engine oil pressure
Replies: 20
Views: 3007

Re: checking engine oil pressure

Hi B,

What is a roller pin, and where does it go?
First consult the factory parts lists, that usually have good descriptions including dimensions.
by Jordan
Wed Feb 20, 2019 11:11 am
Forum: Ducati Singles Main Discussions (& How to Join)
Topic: Torque wrench settings 250 strada
Replies: 8
Views: 162

Re: Torque wrench settings 250 strada

Wow, that's unconventional. Gasketless cylinder/head joints are usually reliable. Lapping them to each other is sometimes advised, but it's not possible on a Ducati due to the way the casting around the exhaust port interferes with the barrel fins. Maybe the head surface only can be lapped using an ...
by Jordan
Fri Feb 15, 2019 9:56 pm
Forum: Ducati Singles Main Discussions (& How to Join)
Topic: Torque wrench settings 250 strada
Replies: 8
Views: 162

Re: Torque wrench settings 250 strada

This is an experiment rather than a confidently suggested long term solution. I wanted to try a soft O-ring material because I often noticed that the standard type looked damaged upon removal. I think that's why they often leak. I thought silicone might take compression better without failing, but i...
by Jordan
Thu Feb 14, 2019 4:51 pm
Forum: Ducati Singles Main Discussions (& How to Join)
Topic: Torque wrench settings 250 strada
Replies: 8
Views: 162

Re: Torque wrench settings 250 strada

About a year ago, to try to stop a similar oil leak I used a softer silicone O-ring at the head joint, which is working so far.
by Jordan
Fri Feb 08, 2019 11:09 pm
Forum: Ducati Singles Main Discussions (& How to Join)
Topic: Alternatives to 35mm Marzocchi forks?
Replies: 3
Views: 173

Re: Alternatives to 35mm Marzocchi forks?

35mm/1.375inch is a common size for fork stanchions.
I fitted some from a Yamaha into the Marzocchi sliders of a SCR.
It worked out OK, though the top nuts were the obvious giveaway.
Eventually sold, many years later I saw this bike again and it still had the foreign legs.
by Jordan
Mon Feb 04, 2019 8:37 pm
Forum: Ducati Singles Main Discussions (& How to Join)
Topic: Conrod kits ?
Replies: 59
Views: 7169

Re: Conrod kits ?

That late it might have a 32mm pin.
Can a 30mm conrod kit fit if it is?
by Jordan
Thu Jan 31, 2019 10:06 am
Forum: Ducati Singles Main Discussions (& How to Join)
Topic: Italian or Spanish?
Replies: 5
Views: 201

Re: Italian or Spanish?

When the bike came to me it was incomplete, missing its cylinder head and cylinder.
So no clues available there.
Thank you for the info, folks.
by Jordan
Sun Jan 27, 2019 10:36 pm
Forum: Ducati Singles Main Discussions (& How to Join)
Topic: Italian or Spanish?
Replies: 5
Views: 201

Italian or Spanish?

I have a Ducati 350. As far as I can tell it was made in either 1973 or 1974. I assumed it was made in Italy, because it says "Made in Italy" on the timing side cover. But I've heard that later model singles may have been made in Spain. Is there some way of knowing its actual country of or...
by Jordan
Sat Jan 26, 2019 10:33 pm
Forum: Ducati Singles Main Discussions (& How to Join)
Topic: 350 crankshaft question
Replies: 23
Views: 964

Re: 350 crankshaft question

Well, I am informed! Undue wear on the timing side bush of the Ducati singles baffled me, and I just accepted it's one of their quirks. Never mind, it doesn't cause lubrication problems. We just need to be aware when using a dial gauge. The oil pump misalignment is another revelation. We non-technic...
by Jordan
Mon Jan 21, 2019 9:59 am
Forum: Ducati Singles Main Discussions (& How to Join)
Topic: 350 crankshaft question
Replies: 23
Views: 964

Re: 350 crankshaft question

Thanks Brian,

Those are interesting photos indeed.
Your jig sure is optimised to the hilt, for one particular crankshaft.

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