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Fuel line on 1998 FLHTCUI

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Old Apr 2, 2026 | 11:14 AM
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Default Fuel line on 1998 FLHTCUI
How do I remove the return fuel line at the top of the injector body?
No bolt head I can see.
Manual not clear on procedure.
 
Last edited by evotrike; Apr 2, 2026 at 11:15 AM.
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Old Apr 2, 2026 | 09:47 PM
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Got it figured out.
So dusty I could not see little circlip.
 
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Old Apr 2, 2026 | 10:00 PM
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Correct.
They have tendency to fly away or fall and hide too.
 
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Old Apr 2, 2026 | 10:13 PM
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As you figured out, small circlips. Much easier access with the tank out of the way.
 
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Old Apr 4, 2026 | 04:39 PM
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Yes, circlips.
Have tank off.
Started on left side injector, no problem, used scredriver to slightly pry up and pulled off. Injector o-rings looked good.
Went to right side injector and noticed no circlip. Bike bought used. Whoever worked on it before has a dent like a hammer strike at the top so the circlip groove is messed up. Yet it has never leaked.

How difficult is it to pull the injector on that side after taking the plate off? Do I need a special tool?
 
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Old Apr 4, 2026 | 04:42 PM
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By the way, these were the original black rubber fuel lines. Exterior surface was looking iffy.
 
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Old Apr 4, 2026 | 06:31 PM
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Do I need a fuel fitting or a fuel injector? Spec'd as 2 different parts in manual.
Are fuel fittings replaceable, or are they cast into throttle body?
 
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Old Apr 4, 2026 | 08:03 PM
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OK, Got fuel fitting off.
Now "just" have to cut the circlip groove where it is dented.
 
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