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1961 CB72 Project

Want to keep a Restoration Log? Post it here! You can include photos. Suggested format: One Restoration per Thread; then keep adding your updates to the same thread...
Glenn-N
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Location: Belgium

Post by Glenn-N » Mon Jun 19, 2017 11:42 am

What kind of paint do you use? Spraycans (1 or 2 component) or pro paint gun?

Looks really good.

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G-Man
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Post by G-Man » Mon Jun 19, 2017 12:39 pm

Glenn

I use several small HVLP guns (one for each colour) with a small compressor. Paint varies with colour / finish biut I spray outdoors at home so avoid 2-pack.

I have been doing my own paint for a long time so can usually get a pretty good finish straight from the gun.

This is the tank for the CB72 with no polishing done after painting.

Image



G
'60 C77 '60 C72 '62 C72 Dream '63 CL72
'61 CB72 '64 CB77 '65 CB160
'66 Matchless 350 '67 CL77
'67 S90 '77 CB400F

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G-Man
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Post by G-Man » Mon Jun 19, 2017 12:53 pm

Not quite "on topic" but I put a cheeky bid last night on this CL72 engine just in case there were any good spares to be had.

It looked rough fom the outside but the head looked perfect (from the pics on eBay). I was able to go and pick it up this afternoon and my £31 bid (about $40) won me quite a bargain.

Image

When I pulled it apart - the head was indeed in great condition with a just tiny chip on one of the fins and what looks like a perfect camshaft.

Image

One of the pistons was stuck in a rusty bore but came out with a bit of judicious thumping with mallet an block of wood. Strangely no rings were in place.

Image

I think the bores and pistons might clean up OK.

The wrist pins slid out with ease and both rods seem to be a good fit on the pins. The crank itself looks dirty but still coated in oil. The rods are the early type with slotted small ends. Despite the dirt, the engine feels like it is in great shape.

Image

And, my good fortune didn't end there. The engine number is just 117 numbers from a CL72 rolling chassis that I bought several years ago for about $150. A CL72 project for less than $200 - now that's what I call a bargain.......

G
'60 C77 '60 C72 '62 C72 Dream '63 CL72
'61 CB72 '64 CB77 '65 CB160
'66 Matchless 350 '67 CL77
'67 S90 '77 CB400F

LOUD MOUSE
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Location: KERRVILLE, TEXAS

Post by LOUD MOUSE » Mon Jun 19, 2017 2:10 pm

I see it has the original High Compression Pistons. ..................lm
G-Man wrote:Not quite "on topic" but I put a cheeky bid last night on this CL72 engine just in case there were any good spares to be had.

It looked rough fom the outside but the head looked perfect (from the pics on eBay). I was able to go and pick it up this afternoon and my £31 bid (about $40) won me quite a bargain.

When I pulled it apart - the head was indeed in great condition with a just tiny chip on one of the fins and what looks like a perfect camshaft.

One of the pistons was stuck in a rusty bore but came out with a bit of judicious thumping with mallet an block of wood. Strangely no rings were in place.

I think the bores and pistons might clean up OK.

The wrist pins slid out with ease and both rods seem to be a good fit on the pins. The crank itself looks dirty but still coated in oil. The rods are the early type with slotted small ends. Despite the dirt, the engine feels like it is in great shape.

And, my good fortune didn't end there. The engine number is just 117 numbers from a CL72 rolling chassis that I bought several years ago for about $150. A CL72 project for less than $200 - now that's what I call a bargain.......

G

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G-Man
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Post by G-Man » Mon Jun 19, 2017 2:50 pm

LM - Yes, it seems that the core of this engine has survived pretty well. Makes you wonder why it got "retired''. Apart from the recent neglect it looks like it hadn't been tampered with much.

I'll get those pistons and bore cleaned up to see what wear is evident.

The big ends feel good and the piston pins fit the rods nicely. The pistons are clean underneath.

G

LOUD MOUSE wrote:I see it has the original High Compression Pistons. ..................lm
G-Man wrote:Not quite "on topic" but I put a cheeky bid last night on this CL72 engine just in case there were any good spares to be had.

It looked rough fom the outside but the head looked perfect (from the pics on eBay). I was able to go and pick it up this afternoon and my £31 bid (about $40) won me quite a bargain.

When I pulled it apart - the head was indeed in great condition with a just tiny chip on one of the fins and what looks like a perfect camshaft.

One of the pistons was stuck in a rusty bore but came out with a bit of judicious thumping with mallet an block of wood. Strangely no rings were in place.

I think the bores and pistons might clean up OK.

The wrist pins slid out with ease and both rods seem to be a good fit on the pins. The crank itself looks dirty but still coated in oil. The rods are the early type with slotted small ends. Despite the dirt, the engine feels like it is in great shape.

And, my good fortune didn't end there. The engine number is just 117 numbers from a CL72 rolling chassis that I bought several years ago for about $150. A CL72 project for less than $200 - now that's what I call a bargain.......

G
'60 C77 '60 C72 '62 C72 Dream '63 CL72
'61 CB72 '64 CB77 '65 CB160
'66 Matchless 350 '67 CL77
'67 S90 '77 CB400F

border0_3
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Posts: 61
Joined: Fri Feb 27, 2009 8:38 am
Location: Riddells Creek Australia

Post by border0_3 » Mon Jun 19, 2017 4:58 pm

Nice to have a good find every once in a while. Well done.

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G-Man
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Joined: Wed Mar 25, 2009 5:17 pm
Location: Derby, UK
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Post by G-Man » Mon Jun 19, 2017 4:59 pm

Did you see my message about the brake stay?

G
'60 C77 '60 C72 '62 C72 Dream '63 CL72
'61 CB72 '64 CB77 '65 CB160
'66 Matchless 350 '67 CL77
'67 S90 '77 CB400F

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