Motor Vehicle Maintenance & Repair Stack Exchange
Motor Vehicle Maintenance & Repair Stack Exchange

Questions tagged [cb400]

a Honda motorcycle; various models were produced from 1975 - 2006.

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Honda CB400 Super-Four - Power Issue

I have a Honda CB400 Super-Four. My bike starts and rides but I can't get more than 5000rpm out of her. If I do then she floods and cuts out. Two of her exhaust pipes are cold and two are warm. What could be the problem? Please help thanks
Ricardo
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Motorcycle Front Forks: Fork tube stuck in bottom pipe - clunking sound when trying to remove

I'm rebuilding the forks on my CB400 project bike [ turning into a street tracker ;) ] The process from the manual is pretty straight forward: 1) Remove the front fork bolts and drain oil 2) With each fork bottom held in a vice, remove the socket…
James
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honda cb400 super four speed/power issue

Firstly, I have checked a similarly titled post (Honda CB400 Super-Four - Power Issue) and their symptoms are different so it's not relevant to me. My bike is a '97 CB400SF, all stock except for instrument cluster and exhaust (i.e. original airbox,…
chopper24
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CB400SF Hyper Vtec Spec 3 Sluggish performance @ 5000 rpm onwards

my 2005 CB400SF is experiencing sluggish performance at 5000rpm onwards. I deemed it sluggish because the sound is not as "smooth" as before. It behaves like how a rev limiter would. Vtec can still be engaged. I have tried the following inspection…
Hakim
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Why does the radiator fan start after riding 15 minutes?

I bought Honda CB 400 SF, version S, used motorcycle. When I ride for about 15 minutes, the radiator fan starts running. While I am driving my legs felt warm air from engine. I am wondering if the engine is overheating. How can I tell if this is…
SAWAUNG
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CB400 rpm problem

I have a Honda cb400, its old but still working fine but i’m having problem with its speed. Even if you hit the gas, the rpm is low(can’t tell exact rpm since the gauge is broken). But when i ride her i can only have a maximum of 90kph, even you hit…
Raycer
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