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+--- Thread: Crank case welding. (/showthread.php?tid=72413)
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Crank case welding. - davidkent - 04-05-15
As above.
I've had some bad news and found my nasty tapping noise.
Basically there's a crack in the crank case on the circular hole that houses the water pump.
It's at around the 7-8 o'clock position but seems to be allowing the water pump enough movement to make a nasty tapping noise.
If I loosen the bolts and push the pump over a touch the noise stops.
The engine has recently had the cam chain and alsorts done so don't really want to be changing it.
Looking for anyone who has had this or similar, or somewhere that can repair or find a solution etc?
I'm in the Wiltshire area and can travel within reason.
Thanks in advance
![[Image: 20150505_191239_zpscmjksmny.jpg]](http://s7.photobucket.com/user/davidkent89/media/20150505_191239_zpscmjksmny.jpg.html)
![[Image: 20150505_191246_zpsnotnganp.jpg]](http://s7.photobucket.com/user/davidkent89/media/20150505_191246_zpsnotnganp.jpg.html)
![[Image: 20150505_191319_zpsysfpy5pd.jpg]](http://s7.photobucket.com/user/davidkent89/media/20150505_191319_zpsysfpy5pd.jpg.html)
Re: Crank case welding. - pilninggas - 04-05-15
Price Brothers in Avonmouth are not cheap - but they do lots of proper automotive engineering that others cant or wont do.
Give them a call and explain the problem.
Re: Crank case welding. - davidkent - 04-05-15
Wasn't expecting a reply so quickly.
I'll dig the number out later and call them!
Thank you!
Re: Crank case welding. - pilninggas - 05-05-15
(04-05-15, 08:16 PM)davidkent link Wrote: Wasn't expecting a reply so quickly.
I'll dig the number out later and call them!
Thank you!
They do all sorts, diamond-drilling (for broken bolts, they even drill out easy-outs that have snapped), tig welding, spark-erosion. All the stuff that is outside the scope of my home or employers workshops.
Re: Crank case welding. - davidkent - 05-05-15
This sounds perfect.
I'm worried that simply welding the cracking won't be enough as the hole has enlarged slightly so perhaps they can repair it.
I'll try and get some pics before calling them I think. May make things much easier.
Didn't get to calling them today.
Cheers
Re: Crank case welding. - davidkent - 05-05-15
Updated with pics now!
Re: Crank case welding. - Deefer666 - 05-05-15
I have another set of crankcase for £50
Re: Crank case welding. - davidkent - 05-05-15
Buying the cases isn't the problem
Fitting them is the problem unfortunately
I wouldn't be able to do the job myself
plus the cost and the work I've done to mine.
not sure I could warrant it anymore but the bikes worthless as it is.
I'm totally screwed
Re: Crank case welding. - Deefer666 - 05-05-15
Replacement engine then ? I have one for £250
Re: Crank case welding. - davidkent - 05-05-15
What's the details? For a 2003? And cam chain all good etc as mines just been done?
It's an option tbf
Re: Crank case welding. - b1k3rdude - 05-05-15
@Dave, that looks like less of a crack and more of a extreme wear..? Regarding getting it welded, all you need to find is a good mechanic/welder that can do fine TIG welding on aluminium/alloy. Or even better find someone who can do do laser welding, I got a float bowl done this way and it was the most impressive piece of welding I have ever seen.
Re: Crank case welding. - davidkent - 05-05-15
It isn't wear definitely cracked from the impact mate.
This sounds interesting but if it'd near impossible or very expensive I've a leafy been offered an engine so need to weigh it up I guess.
My worry is if it's welded will the pump still be central and will it ever be oil tight again I guess :/
Re: Crank case welding. - b1k3rdude - 05-05-15
(05-05-15, 09:49 PM)davidkent link Wrote: My worry is if it's welded will the pump still be central and will it ever be oil tight again I guess :/If an engineering shop did the welding they would/should then mill out the excess etc to give you a perfect whole. If the replacement engine has lower mileag, in better condition, dosent need anything major doing, comes with the usual 1 month warranty and you have the cash then its the simplest fix.
Re: Crank case welding. - davidkent - 05-05-15
That's a lot of ifs but it's from deefer so I'd imagine it's all straight.
I'll pm him tomorrow for details.
my engine is low mileage ish so such a shame
Still. Spare part city haha
Re: Crank case welding. - unfazed - 05-05-15
Looks like the result of a broken chain some time in its past.
I do not think welding is an option without splitting the engine and centralising the hole to take the pump again would not be easy as someone has mentioned previously.
Deefers offer of engine might be your best option and he does have have a very good reputation on here. :thumbup
Re: Crank case welding. - Deefer666 - 06-05-15
I have an Ali welder in the unit next door to me, and that would have to be built up with weld and then machined back and by then the engine would be full of swarf and in need of a strip down and flush so you would be no further forward than if you had bought new casings. The way I see it there are two viable options either new casings or new engine, both are gonna be around the same price.Th
The engine I have is out of a running bike that was Cat B from a fellow foccer, but the engine bars saved the lump from any damage and bent the frame instead. Its a 2000 bike I will have to dig the clocks out to find the mileage.
Re: Crank case welding. - davidkent - 06-05-15
If you can get all the info I need deefer id appreciate it.
Aren't the engines different in 2002-2003 models or is that rubbish?
Cheers
Re: Crank case welding. - Deefer666 - 06-05-15
No mate the engines are the same. I have swapped from them from all models without hassle. Like I said if you need an engine its £250, if you want your engine rebuilt onto new casings, it'll be nearer £300 if you remove the engine and bring it to me.
Re: Crank case welding. - davidkent - 06-05-15
Seems silly to do that when I could have a whole engine of spares too I guess.
Defo interested. Can you courier them or collection only?
Re: Crank case welding. - unfazed - 06-05-15
Most important is that you use the rotor and alternator from your engine all the rest should be fine.
They were upgraded to improve the charging to cater for the dual headlamps.