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Problem with engine or exhaust CBF 125 2013

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ApexRider
L Plate Warrior



Joined: 07 Sep 2018
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PostPosted: 22:31 - 07 Sep 2018    Post subject: Problem with engine or exhaust CBF 125 2013 Reply with quote

Hello.

I need help to diagnose an issue I've recently had with my motorcycle.

I've attached a video of the sound coming from my motorcycle and would really appreciate any advice anyone could provide about what the problem could be?

The motorcycle starts and runs fine, but just today it has started making this sound. (sometimes it stalls) and a concerning amount of smoke is coming from the exhaust. This engine has been newly installed, it's only done about 20,000 miles, and has been refurbished from new. (Engine was bought and installed preowned, from a reputable dealer). So I can't believe, and I hope it's nothing serious to do with the engine.

https://youtu.be/tRY340RHVcI
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jaffa90
World Chat Champion



Joined: 06 Apr 2016
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PostPosted: 00:05 - 08 Sep 2018    Post subject: Reply with quote

What does the spark plug colour look like?
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cb1rocket
World Chat Champion



Joined: 30 Jan 2010
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PostPosted: 09:43 - 08 Sep 2018    Post subject: Reply with quote

it's burning oil, back to the garage i'm afraid. The piston rings are probably knackered. Could well be donar engine rather than a rebuild
Sad
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GeneralLee
L Plate Warrior



Joined: 07 Jun 2015
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PostPosted: 09:51 - 08 Sep 2018    Post subject: Exhaust leak? Reply with quote

No one think it's an exhaust leak? Tapping sounds like air escaping at the manifold. would explain rich running and additional smoke.

Opinion?
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Riejufixing
World Chat Champion



Joined: 24 Jun 2018
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PostPosted: 11:30 - 08 Sep 2018    Post subject: Re: Problem with engine or exhaust CBF 125 2013 Reply with quote

ApexRider wrote:

I've attached a video of the sound coming from my motorcycle and would really appreciate any advice anyone could provide about what the problem could be?

This engine has been newly installed, it's only done about 20,000 miles, and has been refurbished from new. (Engine was bought and installed preowned, from a reputable dealer)

https://youtu.be/tRY340RHVcI


It sounds terrible and it's burning oil. I wonder what "refurbished" means; could mean "externally cleaned"; you should be able to see if it has been taken apart by looking at it carefully. Has it done any miles since you put in this second-hand engine?
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flearider
Renault 5 Driver



Joined: 16 Oct 2012
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PostPosted: 15:09 - 08 Sep 2018    Post subject: Reply with quote

take it back to the reputable dealer and tell him to fix it ..
you did get a warranty ?and he did install said engine ?
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L33n This post is not being displayed because it has a low rating (Redundant). Unhide this post / all posts.

jaffa90
World Chat Champion



Joined: 06 Apr 2016
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PostPosted: 20:57 - 09 Sep 2018    Post subject: Reply with quote

L33n wrote:
Egr valve or tappets check both smoking dirty for a 4strk pal looks like a 2strk smoke there lol reset carb


I don`t think he will find the CARB! Rolling Eyes
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