Seized Engine - Honda Cbf 125 New Biker mistake

[Zephyrus]

Hi all..

Basically I made the number one mistake of not checking my oil and the 125 engine has seemingly seized on me today. The bike is under warranty but won't be covered as I should have checked the oil.

The ironic thing, I was taking the bike to get it's service (correct mileage service) today!

The dealers are saying its minimum 4 hours just to strip the engine plus parts and labour.

Is it worth it? Should I try pouring in penetrating oil and lubing the engine myself?

I'm an idiot and I've probably made a costly mistake, but all of your advice is greatly appreciated! [/u]



Edit : Forgot to mention, the mechanic said there was 200mL of oil in the tank out of a possible 1L. Since I was taking my bike to get serviced on schedule, is it possible to burn 600mL of oil in a 4 stroke Honda 125 in less than 2500 miles??
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[at106]

If it was me i would just take the head off and see what the damage is. That would take an hour max even if you've never had any experience doing it before. If it's not covered by warranty then you cant really do any damage.

Edit;
Sorry i assumed it was 2 stroke but it's 4 stroke i beleive. If that's the case then there could be a lot more damage than just the barrel and piston. You could still strip it down yourself but it's probably best to get a more experienced person to do it.

[MickC]

Take the head off. Put some penetrating oil in and leave it to soak for 24hrs. Then try to move the piston slightly up and down (bottom left casing usually has a bolt that is connected to the crank). If it moves freely and there is no scoring to the barrel you've had a lucky escape. Don't try to force the piston though as that will most likely cause damage. If it does get moving ride it gently to start with or you could risk seizing it again
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[P.]

I ran my first 125 with no oil. It seized.

Had I not tried to bump start it down a hill and got it firing and rode it 2 more miles... it would have been fine just oiling it as above.

I would be concerned as to where that oil had gone though. Especially on a bike thats fairly newish

[Zephyrus]

Thanks for the advice guys. I'll give the oil a go.

I wonder if I have a case against them on the oil issue, as it was looked at in their shop 3 weeks ago.. how could it have burned so much oil in 3 weeks?!
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Harlequinn Ink Streams

[neil.]

Unfortunately probably not, as checking oil level is something you should be doing regularly yourself, as per the owner's manual (I check mine every morning which equates to every 60 miles). If it had happened whilst riding home from the dealer after just buying the bike, then you'd have a good case for a warranty claim.

Did you also get the bike serviced at 600 miles, like you should have?

[Blau Zedong]

It's fucked.

And yes, in an ideal world you should check the oil every time you ride it.

Second hand engine ahoy!
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18:54:48 Rob Fzs: jews don't give away stuff for free

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[Kickstart]

Hi

I would expect damage to the crank before it seized. CBF is an OHC engine so would expect damage there even more.

Quite possible for it to use that much oil.

All the best

Keith
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[Ed Case]

Yep, it looks like your cheapest option is to ring round the breakers to see if you can get another lump, but I'd still remove the spark plug and squirt some WD40 or equivalent in there and try to see if things will move.

[neil.]

I'd have thought the top end would have become noisy as hell too as the valvetrain ground itself silly through oil starvation.

[Vincent]

How many miles has the bike done since the oil was last checked?
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Space Is Deep

[evoboy]

This is about the 23rd one of these ive seen with a seized top end due to lack of oil. ( Works at a Honda dealership).

Itll need a new barrel and piston kit at the very least.
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APT Motorcycles

[Frost]

I think 4 hours labour is a little steep, but i supposed that's a worse case scenario. As said above it'll need un-seizing to get the piston out, new piston, rings, bearings, cylinder and possibly crank & cams. It might be worth looking for a 2nd hand engine on ebay.

[Rogerborg]