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Author Topic: Exhaust manifold temps  (Read 194 times)

Offline DomP

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Exhaust manifold temps
« on: October 26, 2025, 06:36:03 PM »
Does anyone know what the exhaust temperature should be running at, as in what is a safe maximum?
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1975 XS650B
1976 CB550F1 current project
2012 Triumph Daytona 675

Offline ozzybud

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Re: Exhaust manifold temps
« Reply #1 on: October 27, 2025, 01:10:45 PM »
I just did some tuning on my CB550K1.  Needle adjustment, re vacuum sync. Its running smoother than ever  all.plugs are a nice tan color. Checking the exhaust pipe right at the head the temps were 95ç -105ç after a 10 min ride.
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1976 Z50 YELLOW
1970 CT70 BLUE
1971 CT70H ORANGE
1972 CT70H GREEN
1973 CL200 BLUE
1973 CB350F RED
1975 CB360T RED
1975 CB400F BLUE
1975 CB550 ORANGE
1976 CB750F RED

Offline DomP

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Re: Exhaust manifold temps
« Reply #2 on: October 27, 2025, 01:41:04 PM »
That's roughly the same as im getting while im tweaking the carbs, so likely cooler once on the move I guess
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1975 XS650B
1976 CB550F1 current project
2012 Triumph Daytona 675
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