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Jimsun

Jimsun

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Im looking to have my 1974 cb550 top end rebuilt. Im wondering if anyone knows a shop that knows how to work on these vintage bikes.

I will supply all the oem parts for the rebuilt to ensure no aftermarket/bad quality parts are used.
 
Ted's (Rosey Toes)
131 Wendell Ave, Toronto, Ontario M9N 3K9
 
Try Junior at TO Cycle out in Etobicoke.
 
What do you mean "top end rebuilt"?
Hone/bore, pistons and rings?
Valve job?
Don't have one, need a new one?
Your timing is bad, the local expert of that bike is in the process of moving to PEI.
 
Check with Robbie at Rocket Motorcycle

215 Oakdale Road
North York Ontario M3N 1W4
Canada

(416) 746-1563
 
bitzz said:
What do you mean "top end rebuilt"?
Hone/bore, pistons and rings?
Valve job?
Don't have one, need a new one?
Your timing is bad, the local expert of that bike is in the process of moving to PEI.
Click to expand...

Oh geez why would they want to move to PEI :'(

I need to replace the rings and ofc hopefully just hone the walls.

Would machine shop accept my cylinder head If i just bring it to them to get resurfaced and also to replace my valve stem seal #1/27/28?

honda-cb550k0-four-1975-usa-camshaftcrankshaft_bighu0038e4002_e024.gif
 
Mike at clarington cycle. If they can't do it they will know someone who can.

Sent from my SGH-I747M using Tapatalk
 
If you're going to plane the head, you're going to dis-assemble it.
If you're talented enough to get that head off and back on and the bike running, you can change the valve seals (if those seals are typical Honda seals, I would use Yamaha seals when I put it back together)... and once you have it apart replace all the seals (they dry out with time and your valve gasket kit will have 8 seals) and do a valve job. I would also replace the cam chain.

Any monkey with a hone that knows what they're doing can hone the cylinders but I like them done on a Sunnen hone.
Any (car) engine shop can plane the head and hone the cylinders. I'm in the west end and I know Gord Bush (he will be EXTREMELY busy, but if you are going to continue screwing around with motors Gordie is someone you WANT to know), Cooksville Engines (try to talk to Dad if he's still around), Active Engines.
If you're looking for someone to do the labour, again in the west end, I would go talk to Bent bikes (this is a time limited recommendation but Stevie Lewis is working out of Bent these days) or in the east end there is Willie at Wasp (he has built some killer baby superbikes).
 
bitzz said:
If you're going to plane the head, you're going to dis-assemble it.
If you're talented enough to get that head off and back on and the bike running, you can change the valve seals (if those seals are typical Honda seals, I would use Yamaha seals when I put it back together)... and once you have it apart replace all the seals (they dry out with time and your valve gasket kit will have 8 seals) and do a valve job. I would also replace the cam chain.

Any monkey with a hone that knows what they're doing can hone the cylinders but I like them done on a Sunnen hone.
Any (car) engine shop can plane the head and hone the cylinders. I'm in the west end and I know Gord Bush (he will be EXTREMELY busy, but if you are going to continue screwing around with motors Gordie is someone you WANT to know), Cooksville Engines (try to talk to Dad if he's still around), Active Engines.
If you're looking for someone to do the labour, again in the west end, I would go talk to Bent bikes (this is a time limited recommendation but Stevie Lewis is working out of Bent these days) or in the east end there is Willie at Wasp (he has built some killer baby superbikes).
Click to expand...


I have my crank and jugs in with Gord at Bush Racing. He told me a minimum of 4 weeks back log before he even looks at my stuff.

That's what happens when you're good and in demand.
 
Too late now but Roger at WickedATV will sell you a NEW crank for less than Gordie will charge you to rebuild yours.
Are you going with upgraded bearings? New labyrinth?

I got a ton of RZ stuff.

Us smart guys are talking to Gordie now about next year.
 
bitzz said:
If you're going to plane the head, you're going to dis-assemble it.
If you're talented enough to get that head off and back on and the bike running, you can change the valve seals (if those seals are typical Honda seals, I would use Yamaha seals when I put it back together)... and once you have it apart replace all the seals (they dry out with time and your valve gasket kit will have 8 seals) and do a valve job. I would also replace the cam chain.

Any monkey with a hone that knows what they're doing can hone the cylinders but I like them done on a Sunnen hone.
Any (car) engine shop can plane the head and hone the cylinders. I'm in the west end and I know Gord Bush (he will be EXTREMELY busy, but if you are going to continue screwing around with motors Gordie is someone you WANT to know), Cooksville Engines (try to talk to Dad if he's still around), Active Engines.
If you're looking for someone to do the labour, again in the west end, I would go talk to Bent bikes (this is a time limited recommendation but Stevie Lewis is working out of Bent these days) or in the east end there is Willie at Wasp (he has built some killer baby superbikes).
Click to expand...

Let me try and do a leakdown test to see where the leak is coming from. This way I can skip removing pieces i can skip on.

Check with Robbie at Rocket Motorcycle

215 Oakdale Road
North York Ontario M3N 1W4
Canada

(416) 746-1563
Click to expand...

I'll give them a call after a leakdown test
 
bitzz said:
Too late now but Roger at WickedATV will sell you a NEW crank for less than Gordie will charge you to rebuild yours.
Are you going with upgraded bearings? New labyrinth?

I got a ton of RZ stuff.

Us smart guys are talking to Gordie now about next year.
Click to expand...

I'm trying to keep my money local. There have been some horror stories about Roger and crappy workmanship. I can't speak first hand. He's always trying to push the +4mm stroker kit and I just wanted to stick with stock stroke.

I was out of work for almost a year, so I wasn't about to commit to Gord without having the cash. The day I signed my offer letter, I trucked my parts off to Gord. If I had had a job earlier, he would have had my parts last fall and my engine would be done by now.

No new labyrinth seal. Can be re-used without issue. I kept with the stock bearings, didn't upgrade to the TZ ones. I'll do that on my spare engine. I have plans for a 421 Athena down the road.
 
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