Search found 89 matches

by Den
Mon Aug 03, 2009 5:51 pm
Forum: Roundcase Engines > 750 GT, 750 Sport & 750 Super Sport
Topic: Valve guide seals
Replies: 2
Views: 2254

[quote].....The spring being around them will deflect most of the oil thrown at them by the cam.....quote]

It has been my experience that the heads fill up with oil after starting. I know that with the engine running an ALARMING amount of oil will flood from an open rocker cover.
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by Den
Mon Aug 03, 2009 5:42 pm
Forum: Roundcase Engines > 750 GT, 750 Sport & 750 Super Sport
Topic: Standard carb settings for 750 Sport
Replies: 5
Views: 3556

According to my information with your bike's 32 mm carbs you should have an SK17 needle in the second position, a 125 main, a 65 pilot, a 60/1 slide and a 265AB needle jet. I have never found K&N filters to have much effect on any of my Ducati's operation but you should make sure the carbs are prop...
by Den
Mon Aug 03, 2009 4:56 pm
Forum: Chassis & Suspension Shop
Topic: Chain Lenght
Replies: 5
Views: 4635

Re: Chain Lenght

Gum wrote:I have on my 73 Sport a 15 and 38 tooth sprockets. Now I would normally fit the engine then the new chain, but if someone can tell me for sure the exact length I need for a 520 Oring chain.....
............It is my understanding that the correct chain size is 530.
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by Den
Tue May 05, 2009 7:15 pm
Forum: Electrical & Gauges Shop
Topic: Coils for GT750 - new or old?
Replies: 9
Views: 6064

.....A fellow I know, who rebuilds roundcase rectifiers for fun, is of the opinion the old coils are unfairly maligned. He reckons they are very good coils, producing 22K volts using reasonable amps..... The stock coils were measured to be much lower than that. And even twenty two thousand volts is...
by Den
Sat Apr 25, 2009 8:12 pm
Forum: Parallel Twin Engines > GTL/Sport Desmo 350 & 500
Topic: Top end lubrication problem - cause and solution?
Replies: 18
Views: 23407

Recently I had occasion to drop the motor of my 500 Sport Desmo. This gave me the chance to install a couple of 1in. internal snap rings into the gear end of each cam to hold those aluminum caps in: http://img.photobucket.com/albums/v85/dancecant/500Desmo/th_03.jpg http://img.photobucket.com/albums...
by Den
Tue Apr 07, 2009 6:21 pm
Forum: Wheel, Brake & Tyre Shop
Topic: Front hub disasembly question
Replies: 1
Views: 1804

Put a screwdriver in there and move the spacer a little to one side. Now you can tap on the bearing carrier. It shouldn't take much of a whack.
by Den
Tue Apr 07, 2009 6:16 pm
Forum: Engine & Transmission Shop
Topic: GT GEAR SELECTION
Replies: 6
Views: 3665

As an experiment:
1. Please loosen the locknut on the little shifter box screw.
2. Turn that little screw both directions until you have ascertained that the shift lever is at the middle of it's travel.
3. Test ride the bike.
4. Report your results here.
by Den
Tue Apr 07, 2009 6:05 pm
Forum: Electrical & Gauges Shop
Topic: P V L Coils
Replies: 1
Views: 1941

No ballast required.
by Den
Tue Apr 07, 2009 6:02 pm
Forum: Chassis & Suspension Shop
Topic: 1976 GTS860 Marzzochi fork tube length
Replies: 2
Views: 2236

As per Falloon: 600mm
by Den
Fri Jan 30, 2009 6:56 pm
Forum: Engine & Transmission Shop
Topic: V twin: crankshaft end float - zero
Replies: 7
Views: 5252

There may be a problem to consider on the roundcase 750. The keyed bevel distribution gear behind the rotor on the right end of the crank (0755.29.700) needs to be shimmed to mesh perfectly with it's mate. If there is ANY play in the crank it will affect the meshing of these two bevel gears when the...
by Den
Fri Dec 19, 2008 10:18 pm
Forum: Parallel Twin Engines > GTL/Sport Desmo 350 & 500
Topic: Timing tool for 500 GTL
Replies: 8
Views: 12439

You will find that trying to adjust the points using a strobe light and disc timing device can be...trying.
by Den
Fri Oct 31, 2008 6:23 pm
Forum: Wheel, Brake & Tyre Shop
Topic: Bleeding twin bleeder F08 brake calipers
Replies: 7
Views: 5064

No charge ; )
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by Den
Mon Jul 21, 2008 4:54 pm
Forum: The Rumour Mill
Topic: What's the deal with the early 70's 860 GT?
Replies: 15
Views: 8612

For some reason the 860GTs are the Boo Radleys of the Bevel Kingdom; they are related, but its best to keep them locked in a closet and kept from public view.
Nothing like a 46 year old To Kill A Mockingbird reference to liven up a bevel discussion.
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by Den
Wed Jun 04, 2008 10:15 pm
Forum: Wheel, Brake & Tyre Shop
Topic: Wheel bearings? I give up!!
Replies: 14
Views: 7085

Thanks, but no need for pic now. I looked at your link and I am familiar with that tool.

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