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Messages - SteveW

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76
CB500/550 / Re: Unusual twin carb set-up on this one
« on: October 19, 2023, 09:28:55 AM »
There is a company in the States called Murray’s Carbs, they do a twin carb set up with the manifolds.
Think they Use Mikuni VM34 carbs.

77
Misc / Open / Re: Painting my engine a few questions
« on: October 17, 2023, 09:04:29 PM »
Thanks Julie and Dom  :)

78
Misc / Open / Painting my engine a few questions
« on: October 17, 2023, 03:30:38 PM »
Before I paint my engine with the Simoniz VHT stuff I was just wondering a few things.

Do I need any kind of etch primer first?

Is the Simoniz paint resistant to petrol, if not  can you lacquer over it?

Thanks.

79
Misc / Open / Re: Cosmetic options for these clamps.
« on: September 23, 2023, 08:28:56 PM »
The clamps on my 650 are aluminium, I was hoping to use a set to replace my rusty 550 ones, but they are a bigger diameter.

I wonder if there are an aluminium set off a different model that would fit the 550?

80
Misc / Open / Re: NE gasket set, do I need thicker o-rings?
« on: September 09, 2023, 04:46:43 PM »
I’ll be doing the top end on my 550 over the winter so I’ll put up the measurements from that one as well.

81
Misc / Open / Re: NE gasket set, do I need thicker o-rings?
« on: September 08, 2023, 11:31:47 PM »
Gasket was 1.29mm, original bang on 1.2.

Picture is my order from Simply Bearings, they are Nitrile. I went for the stronger shore rating of 90.


82
Misc / Open / Re: NE gasket set, do I need thicker o-rings?
« on: September 08, 2023, 08:16:26 PM »
5 x 2.5 and they have been perfect. Done about 500 miles and zero leaks.

83
CB500/550 / Re: motad exhaust on cb500 four
« on: September 03, 2023, 10:04:55 AM »
The rear Motad  bracket is made of toffee, my centre stand managed to bend it up in a matter of days causing the stand to rattle against the exhaust.
You’ll probably have to fabricate something stronger.

84
CB650 / Re: Oil leak
« on: July 31, 2023, 09:55:59 AM »
If it’s the seal behind the front sprocket it’s a stepped seal. Only way to replace is to split the cases.

Start with the gear shift shaft seal, that’s a 20 minute job. I found that you can replace without draining the oil if you lean the bike over against a tree or something solid.


85
A good powder coater wil blast the frame and apply the prime coat on the same day. Leaving a blasted frame overnight is enough time for a light dusting of corrosion to set in.
I have always used Microblast Services in Windsor, never had a problem with any of their work and they seal threads etc before powder coating. They blast and powder coat the same day. Turnaround time is two weeks.
How much do they charge to blast and powder coat a frame, looking to get my 550 done soon and they are pretty close to me.

86
Misc / Open / Re: Steel sheds / garages
« on: June 29, 2023, 10:10:53 PM »
Thanks, thought as much.
Wooden shed it is.

87
Misc / Open / Steel sheds / garages
« on: June 29, 2023, 09:51:26 PM »
Anyone got one, need more bike storage.
Just wondered if you get condensation on the inside because the walls are so thin.

88
The Shell garage at Cobham services on the M25 close to junction 10 have had a hydrogen fuel pump for a few years now.
Never seen anyone use it though.

89
CB750 / Re: Head Bolts
« on: May 18, 2023, 11:47:51 AM »
Don’t know if this is relevant but I recently rebuilt the top end of my 1980 650 engine.
I found that the replacement head gasket was 0.1 mm thicker than the original and the new o-rings for the oil feed to the cam were 0.4mm thinner than original.
So a total of half a mm under size.
I wasn’t going to risk it leaking so I sourced some o-rings half a mm over size and no leaks at all in 200 or so miles.
The gasket set was NE brand from David Silvers.

90
CB500/550 / Re: cb500 dead short
« on: May 12, 2023, 07:15:37 PM »
Are your fuses okay? I had a problem on my 550 where everything died, turned out the fuse looked intact but had just degraded with age and was open circuit.

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