Search found 21 matches

by andybaggies
Tue Jun 25, 2019 7:33 am
Forum: Chassis & Suspension Shop
Topic: Fork oil grade 1980 SD 38mm Marzocchis
Replies: 16
Views: 10094

Re: Fork oil grade 1980 SD 38mm Marzocchis

"DO NOT GO BY LABELLED OIL WEIGHT! Not only is this a poor way to decide which oil to use, but each manufacturer seems to be on a different scale. For example Maxima RSF 7wt is actually lighter than Spectro 5wt and Silkolene Pro RSF 7.5wt is actually heavier than Showa SS-8 10wt. This is not a judgm...
by andybaggies
Sun Jun 23, 2019 11:46 am
Forum: Electrical & Gauges Shop
Topic: New ignition system: need advice!
Replies: 19
Views: 1611

Re: New ignition system: need advice!

currently have the #5 curve chosen but only because I had read somewhere that someone liked this setting after trying several others. Well first off I got it completely wrong my previous post - curve #7 has max advance at 28 degrees and curve #5 is the one with 34 degrees max advance i.e. 2 degrees...
by andybaggies
Wed Jun 19, 2019 11:03 am
Forum: Electrical & Gauges Shop
Topic: New ignition system: need advice!
Replies: 19
Views: 1611

Re: New ignition system: need advice!

Thanks for the full description Rick but it is worth noting there is an updated installation guide on the Sachse web site, see https://www.elektronik-sachse.de/shopsystem-3/en/digital-ignition-zdg-3-23-for-ducati-beveldrive-bosch.html I found it did have a little more information & photos that made ...
by andybaggies
Mon Jun 17, 2019 11:39 am
Forum: Engine & Transmission Shop
Topic: Crankcase breather & disconnected air boxes.
Replies: 4
Views: 439

Re: Crankcase breather & disconnected air boxes.

plus a little K&N filter on the end of my original black plastic pipe. My 81 MHR never had the original black plastic breather box; the vent pipe fed forward over the vertical head to a little red metal tube that was mounted to the frame. No flapper valve but never had any oil mess either. On mine,...
by andybaggies
Sat Jun 15, 2019 12:07 pm
Forum: Engine & Transmission Shop
Topic: Crankcase breather & disconnected air boxes.
Replies: 4
Views: 439

Crankcase breather & disconnected air boxes.

I’m in a right old dither on understanding the crankcase breather setup as I'm planning to junk the air boxes & put pods on the (40mm) carbs. The reason behind this isn’t just bling because I’m wanting plenty of space for a re-wire, new regulator & ignition. From what I’ve read the factory solutions...
by andybaggies
Sat Jun 15, 2019 11:55 am
Forum: Electrical & Gauges Shop
Topic: New ignition system: need advice!
Replies: 19
Views: 1611

Re: New ignition system: need advice!

Good to hear some feedback on the Sacshe as I've just fitted & timed the exact same system to an engine that's still on the bench and it was as easy as the guys mentioned. I suppose the only difficulty is finding exact TDC of the front pot as all timing is taken from this point, the system measures ...
by andybaggies
Sat Jun 15, 2019 11:32 am
Forum: Engine & Transmission Shop
Topic: The dreaded oil Question!!!
Replies: 53
Views: 32760

Re: The dreaded oil Question!!!

And just to throw another cat amongst the pigeons how about Rock Oil's TRM (Twin cylinder Racing Mix) & I quote: "A fully synthetic racing oil, ASO MA API SL SAE 20W-60, TRM is a specially formulated synthetic oil containing specially selected large molecule base fluids for use in engines with rolle...
by andybaggies
Mon Mar 25, 2019 11:32 am
Forum: Squarecase BOSCH Ignition Engines > SD, SSD Darmah, late 900 SS & 900 GTS
Topic: Primary gear alignment.
Replies: 6
Views: 1116

Re: Primary gear alignment.

I just looked at mine, and estimate the clutch gear to be the same as andybaggies' about 1.5mm proud of the primary gear. Thanks for the confirmation. Taking the clutch drum off at the weekend showed the 4.8mm spacer was fitted but no extra shims. All looks clean so I'm happy with that :) my advice...
by andybaggies
Wed Mar 20, 2019 11:40 am
Forum: Squarecase BOSCH Ignition Engines > SD, SSD Darmah, late 900 SS & 900 GTS
Topic: Primary gear alignment.
Replies: 6
Views: 1116

Re: Primary gear alignment.

It has been a very long time since I looked at my bike but I think mine were mis aligned by a few mm's but there was no unusual noise or wear evident Just popped out and measured and the clutch gear is ~1.5mm proud of the primary gear. And from what I can remember there was no unusual noises when i...
by andybaggies
Sat Mar 16, 2019 1:09 pm
Forum: Squarecase BOSCH Ignition Engines > SD, SSD Darmah, late 900 SS & 900 GTS
Topic: Primary gear alignment.
Replies: 6
Views: 1116

Primary gear alignment.

As per the title is there a recommended alignment of the primary gears? By alignment I mean should the primary gear be sitting bang in the middle of the clutch basket gear, or is it allowed to be a little further back as it presently is on mine? i.e Oh r's I can't even draw a basic diagram in a post...
by andybaggies
Sat Feb 23, 2019 9:11 am
Forum: Squarecase BOSCH Ignition Engines > SD, SSD Darmah, late 900 SS & 900 GTS
Topic: Lower bevel gear and spindle
Replies: 8
Views: 1156

Re: Lower bevel gear and spindle

Hurrah :-D I managed to separate the gears from the spindle. I didn't use plus gas but immersed the complete caboodle in paraffin for two days with the occasional rubber hammer biff as means of encouragement. It finally came loose when I applied a little more pressure by allow a hammer to fall on th...
by andybaggies
Sun Feb 17, 2019 9:09 am
Forum: Bevel Head Twins Photo Gallery
Topic: Let's see some pics!
Replies: 10
Views: 1825

Re: Let's see some pics!

Nice :) Looks like you changed the discs and footrests - what did you go for?

How are you getting on with the rear shocks?

And I've just noticed the piping on the seat - second nice :)
by andybaggies
Sun Feb 17, 2019 8:56 am
Forum: Squarecase BOSCH Ignition Engines > SD, SSD Darmah, late 900 SS & 900 GTS
Topic: Lower bevel gear and spindle
Replies: 8
Views: 1156

Re: Lower bevel gear and spindle

One of the lower bevel gears turns freely on its spindle, the other is too tight to move. Has anyone got any opinion or experience of this? I'd also like to know if there's a definitive answer to this because, yep, I have exactly the same thing on my Darmah. The front pot gears (easily) spin on the...
by andybaggies
Wed Nov 28, 2018 10:01 am
Forum: Engine & Transmission Shop
Topic: Lower bevel gear spindle shimming - Darmah
Replies: 15
Views: 2588

Re: Lower bevel gear spindle shimming - Darmah

Oh, I remembered incorrectly - 10mm :doh:

Perhaps I should have measured it, ahem :oops:
by andybaggies
Wed Nov 28, 2018 12:46 am
Forum: Engine & Transmission Shop
Topic: Lower bevel gear spindle shimming - Darmah
Replies: 15
Views: 2588

Re: Lower bevel gear spindle shimming - Darmah

I did check by removing the plate & one of the spindles and a spare rocker pin I had lying about was a perfect fit in the bush - 10.5 mm if I remember correctly.

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