Search found 16 matches

by sd900
Sat May 25, 2013 12:05 pm
Forum: Squarecase BOSCH Ignition Engines > SD, SSD Darmah, late 900 SS & 900 GTS
Topic: Valve shims and seals
Replies: 5
Views: 9594

Re: Valve shims and seals

Many thanks. wdietz186, are the retainers you mention the small c-shaped colletts that hold the closing shims in place?
by sd900
Wed May 22, 2013 8:09 pm
Forum: Squarecase BOSCH Ignition Engines > SD, SSD Darmah, late 900 SS & 900 GTS
Topic: Valve shims and seals
Replies: 5
Views: 9594

Valve shims and seals

Hi, I had to re-seat the valves on my Darmah and now the clearance between the opening rocker arm and shim has changed. Intake valve now .003 and exhaust virtually nil (haven't checked other head yet). Can I sand down the shim myself, and if so any pointers on best technique and what # grit to use ...
by sd900
Sat Nov 17, 2012 1:17 pm
Forum: Squarecase BOSCH Ignition Engines > SD, SSD Darmah, late 900 SS & 900 GTS
Topic: Mainshaft / Layshaft
Replies: 3
Views: 7281

Re: Mainshaft / Layshaft

Hours of fun, indeed. Thanks for the reply. If I don't have it right, is it a question of repositioning the shifter hub? I haven't removed any cogs off the shafts, etc., so I'm fairly certain they're ok. Thanks again.
Cheers,
s
by sd900
Wed Nov 14, 2012 9:33 pm
Forum: Squarecase BOSCH Ignition Engines > SD, SSD Darmah, late 900 SS & 900 GTS
Topic: Mainshaft / Layshaft
Replies: 3
Views: 7281

Mainshaft / Layshaft

Hi all, I believe I have the transmission right, but wanted to know if there's any procedure or test to make sure I do before I put the cases back together? I'm assuming there's only one way the shifter hub goes back in place with the shifter forks in the the right grooves, but maybe I've been wrong ...
by sd900
Mon Sep 24, 2012 2:07 pm
Forum: Squarecase BOSCH Ignition Engines > SD, SSD Darmah, late 900 SS & 900 GTS
Topic: Stuck Cases?
Replies: 5
Views: 8984

Re: Stuck Cases?

Ah, makes sense. Thanks for the help, ducadini. I'll post how it goes.
Cheers,
s
by sd900
Sun Sep 23, 2012 12:28 pm
Forum: Squarecase BOSCH Ignition Engines > SD, SSD Darmah, late 900 SS & 900 GTS
Topic: Stuck Cases?
Replies: 5
Views: 8984

Re: Stuck Cases?

Hi again, I've been trying different degrees of turn with the kickstart, but this is as far as I can get the cases apart before it sticks. Lots of play at the front of the cases, but the back doesn't want to budge. It feels as though something in the gearbox or with the starter mechanism is ...
by sd900
Sun Sep 16, 2012 6:50 pm
Forum: Squarecase BOSCH Ignition Engines > SD, SSD Darmah, late 900 SS & 900 GTS
Topic: Stuck Cases?
Replies: 5
Views: 8984

Stuck Cases?

Hi all, I had to split the cases on an SD 900. I knew you needed a quarter turn or so on the kickstarter when plying them apart, but as I had to do a fair bit of handling to coax them apart I think I may have broken the seal without engaging the kickstart. The cases came 1/2 inch apart, but that ...
by sd900
Tue Jun 26, 2012 9:09 am
Forum: Squarecase BOSCH Ignition Engines > SD, SSD Darmah, late 900 SS & 900 GTS
Topic: Splitting the cases
Replies: 6
Views: 10489

Re: Splitting the cases

Do you mean these bolts here? They're out. But roughly where is the bolt to the rear of the crank?
Thanks
by sd900
Mon Jun 25, 2012 9:07 pm
Forum: Squarecase BOSCH Ignition Engines > SD, SSD Darmah, late 900 SS & 900 GTS
Topic: Splitting the cases
Replies: 6
Views: 10489

Re: Splitting the cases

Five10mm bolts? Are these 10mm Allen bolts? At the risk of sounding like a complete dork, where are they located? I can't see them.
Thanks,
s
by sd900
Mon Jun 25, 2012 11:29 am
Forum: Squarecase BOSCH Ignition Engines > SD, SSD Darmah, late 900 SS & 900 GTS
Topic: Splitting the cases
Replies: 6
Views: 10489

Splitting the cases

Hello, hoping for some advice. I'm (trying) to split the cases on a 79 SD. I've removed bevel gears, alternator, flywheel, starter gear, etc., etc., and the 9 crankcase bolts. I've read that I need to "sharply tap the left hand end of crank and gearbox shafts with a soft mallet." Doesn't seem to ...
by sd900
Tue Jun 19, 2012 12:42 pm
Forum: Engine & Transmission Shop
Topic: Carbon be gone
Replies: 4
Views: 8297

Re: Carbon be gone

Good to know. Thanks for the advice, I will heed that. Will I need to polish clean heads with fine steel wool or the like after? Or will that scratch, etc?
by sd900
Mon Jun 18, 2012 5:05 pm
Forum: Engine & Transmission Shop
Topic: Carbon be gone
Replies: 4
Views: 8297

Carbon be gone

Anyone have any advice on the best way to clean carbon off piston heads and inside cylinder heads? Is there a good chemical soak on the market?
by sd900
Thu Feb 09, 2012 3:09 pm
Forum: Introduce Yourself
Topic: Hello from Concord CA
Replies: 3
Views: 6079

Re: Hello from Concord CA

Hi Bob, wondering from your user name if you also own a Vincent?
s
by sd900
Tue Feb 07, 2012 7:31 am
Forum: Introduce Yourself
Topic: Introduction
Replies: 5
Views: 7637

Re: Introduction

I'm making my shopping list now. Thanks.
by sd900
Mon Feb 06, 2012 9:31 am
Forum: Introduce Yourself
Topic: Introduction
Replies: 5
Views: 7637

Re: Introduction

Hi Bob, I'm doing a complete rebuild on a 79 Darmah. Curious where you got your gaskets and what you paid (I need all top and bottom gaskets).
Cheers

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