Honda-SOHC
SOHC.co.uk Forums => CB750 => Topic started by: willythepooh on August 18, 2018, 11:50:39 AM
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As the title says, my K4 whines under load and slowing down. What’s the cause because it doesn’t seem to affect anything ?
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If it's something you have noticed getting worse, then possibly gearbox bearings. If you only just got the bike, and are used to modern stuff, they do whine a bit, often can be heard over the exhaust sound, but that really is normal for straight cut gears (remember how much the proper Mini, not the crap bmw new ones used to whine?)
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It’s never really got worse. Always been there. Just wondered if other bikes did the same.
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If the exhausts on your bike are original, by 1974 the yanks were really clamping down on noise and emissions, so your silencers will be very effective, and yes, they all do it, it's just with noisier pipes it's harder to hear, and the whine always loudest in 3rd gear!
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I wondered if the whine was normal too. Definitely let's you know you're in third!
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+1 Third gear whine.
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Stop with the whining now ;D
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Stop with the whining now ;D
;D ;D ;D ;D
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😁😁😁😁😊
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My CB250RSA developed a horrendous and sudden whine although I think the noise came from the owner when it holed the piston.... £££££££'s :o