Open motor - Honda Motorcycles - FireBlades.org
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post #1 of 19 Old 11-15-2019, 6:04 PM Thread Starter
 
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Open motor

So, hubbies bike is back from the shop. We have another blade that had motor noise, another bike shop said it was conrod. We decided to open up the motor.

Damn was it fun.

Need to do conrods and all bearings. Luckily when we heard the noise we didnt ride it again.

Did i say i had a good time 🤣 it is now 00:00 here, sleep sounds good to me right now.
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post #2 of 19 Old 11-16-2019, 3:18 AM
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Re: Open motor

Looks as if it has been well maintained with regular oil changes.

What's with the hairy forearms? Yours or hubby's?
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post #3 of 19 Old 11-16-2019, 4:25 AM Thread Starter
 
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Originally Posted by nigelrb View Post
Looks as if it has been well maintained with regular oil changes.

What's with the hairy forearms? Yours or hubby's?[IMG class=inlineimg]/forums/images/fireblades_toucan/smilies/tango_face_grin.png[/IMG]
That would be hubby's arm 🤣

Am i correct in saying that the conrods and bearings that are fooked are due to abuse?
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post #4 of 19 Old 11-16-2019, 4:47 AM Thread Starter
 
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Here you can see worn bearing, will take more photos on Monday
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post #5 of 19 Old 11-16-2019, 7:31 AM
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Re: Open motor

I assume you're referring to the upper bearing in pic that looks a bit scorched?

They don't actually look 'worn', but this is hard to determine by photo only - even when enlarged.

Most of us would not know if our bikes have been abused or not, UNLESS we have full ownership history. As most of these bikes have had 4 or 5 owners, we would never know, but should assume that somewhere along the line some boy wonder has given it a hiding.
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post #6 of 19 Old 11-16-2019, 8:09 AM
 
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Re: Open motor

Quote:
Originally Posted by Eileen View Post
That would be hubby's arm 🤣

Am i correct in saying that the conrods and bearings that are fooked are due to abuse?
Hello Eileen. Do you mean the actual rods need replacement? [If so, pictures, please!?!] Or, just the bearings?
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post #7 of 19 Old 11-16-2019, 8:36 AM Thread Starter
 
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Yes conrods and all bearings, will take some photos of the damagr on monday. Geats have been undercut but looks warn too, will take some good damage pics on monday, its was too late last night
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post #8 of 19 Old 11-16-2019, 4:17 PM Thread Starter
 
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Quote:
Originally Posted by Duncan893 View Post
Quote:
Originally Posted by Eileen View Post
That would be hubby's arm 🤣

Am i correct in saying that the conrods and bearings that are fooked are due to abuse?
Hello Eileen. Do you mean the actual rods need replacement? [If so, pictures, please!?!] Or, just the bearings?
Duncan the conrods, especially one has alot of wear on them
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post #9 of 19 Old 11-17-2019, 5:00 AM
 
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Re: Open motor

hi guys

what motor is it, and what were the noises? Mines always been noisy esp 4-5,000rpm on throttle and worried about bearings or piston slap but its been like it for over 20,000 miles so figured if it was going to go pop it would have by now, so I was curious what made you pull the motor apart....
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post #10 of 19 Old 11-17-2019, 5:10 AM Thread Starter
 
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Quote:
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hi guys

what motor is it, and what were the noises? Mines always been noisy esp 4-5,000rpm on throttle and worried about bearings or piston slap but its been like it for over 20,000 miles so figured if it was going to go pop it would have by now, so I was curious what made you pull the motor apart....
It is a 954.it had a tapping sound and it sounded like shims. We bought it with hubbies other 954.it turned out to be a project, did fairings, chromed shocks, new battery etc and when we took it for a drive the knock become more and then died. Pulled it in, started the next day and sound was very load. Took to a bike shop, they reckoned it is the crank and conrods, we decided to strip ourselves especially after seeing how simple it is actually when we saw how hubbies was stripped for gearbox.
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post #11 of 19 Old 11-18-2019, 2:00 AM Thread Starter
 
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Here are some photos
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post #12 of 19 Old 11-18-2019, 4:18 AM
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Re: Open motor

Quote:
Originally Posted by Eileen View Post
Here are some photos
Eek!!

I'd say the bike's run really low on oil at some stage and had a hard time. Probably not telling you anything you haven't already worked out.

The positives are that once you've repaired, you'll have an ace bike for ages!
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post #13 of 19 Old 11-18-2019, 2:11 PM
 
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Re: Open motor

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Originally Posted by Eileen View Post
Here are some photos
Erm. Are the connecting rods bent or pieces missing or why you wanna change them?
Am I missing something here?
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post #14 of 19 Old 11-18-2019, 2:32 PM
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Re: Open motor

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Originally Posted by Superkaamio View Post
Erm. Are the connecting rods bent or pieces missing or why you wanna change them?
Am I missing something here?
Of course, you're right. So long as the bearing faces are fine the rods should be kept.
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post #15 of 19 Old 11-20-2019, 4:38 AM Thread Starter
 
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Re: Open motor

What is the general thoughts on replacing bearings, i can only get second hand bearings here in South Africa, unless i spent 4 times the amount for imported parts?
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