Bury the Ninja?

killa · Won't Shut Up Joined: 18 Oct 2004 Karma :

So the Ninja dropped a valve (80% sure of this from some investigations) The engine won’t even turn over now.
I’m a stumped as to what I want to do with it. Looking on Ebay etc I can see I could get an engine for around £3-400. Obviously this is cheaper than trying to get another bike but I’d be putting a second hand engine in my second hand bike. This would also be cheaper, I imagine, than spending lots of money on trying to repair what I have (I have seen damaged pistons down bore)
Before all this bolIox happened I was going to do the repairs to the fairings as the front and side right, have some damage which lets the rest of the bike down IMO.
Now this is out of the question, do I really want to get the bike back on the road in that sort of condition?
My other option is to sell and to save, I’d need around £2-2500 for my ideal bike as you can imagine my Ninja as it is probably isn’t worth more than a grand.

Bad timing has resulted in me not having £3-400 to throw at the bike so I’m left thinking “Sell the bike, save what I can for another??”
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CaNsA · Super Spammer Joined: 02 Jan 2008 Karma :

CaNsA · Super Spammer Joined: 02 Jan 2008 Karma :

Also, try and find a diff lump. Maybe a more modern, larger lump and bosh that in.
you have everything there but a lump. Why stick to a straight replacement?

DrDonnyBrago · World Chat Champion Joined: 03 Jan 2010 Karma :

Every second hand bike has a second hand engine Thumbs Up

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How much do the zx-9r lumps go for, a conversion would make the engine damage seem worthwhile and it the swap seems relatively simple?

Fix it and flog it or fix it and keep it.

Flogging it as it is will fetch you feck all, they can be had for less than £1300 in good nick.

Jayy · Mr. Ponzi Joined: 08 Jun 2009 Karma :

How do you know if it's dropped a valve?

My KTM won't start at all now, the starter just turns over but it won't fire up. It happened whilst I was riding it down the road at about 30mph then it just cut out like the killswitch had been flicked.

DrDonnyBrago · World Chat Champion Joined: 03 Jan 2010 Karma :

chris-red · Have you considered a TDM? Joined: 21 Sep 2005 Karma :

I would open it up and check for damage, if the bored are OK I would do a top end rebuild. Probably cost the same in parts as a second hand engine, but a much better option IMO.
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0ddball · World Chat Champion Joined: 15 Jul 2005 Karma :

A 9r lump sounds like more messing that you're prepared to accept (fitting is easy, getting it running right is sometimes a bit more work). But you will get a good 20k 7r lump for £200, don't take any notice of ebay/breakers inflated prices for untested crap.

As suggested before, if you haven't already, register on redmonkey and ask. There are some guys on there who have 3 or 4 engines in their garage sitting doing nothing. You're more likely to get a good one and maybe even a hand fitting it if someone lives close.
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ZXR750L

killa · Won't Shut Up Joined: 18 Oct 2004 Karma :

Thanks for all the input guys, some good points there…and Cansa, yes mate sorry, I just need to get this straight in my head.
I think I’ll go for the second hand lump and then sell her when it’s in.

I’ll sign up to red monkey today Thumbs Up

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MarJay · But it's British! Joined: 15 Sep 2003 Karma :

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killa · Won't Shut Up Joined: 18 Oct 2004 Karma :

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swampy · World Chat Champion Joined: 04 Aug 2004 Karma :

killa · Won't Shut Up Joined: 18 Oct 2004 Karma :

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chris-red · Have you considered a TDM? Joined: 21 Sep 2005 Karma :

swampy · World Chat Champion Joined: 04 Aug 2004 Karma :

chris-red · Have you considered a TDM? Joined: 21 Sep 2005 Karma :

bacon · World Chat Champion Joined: 09 Jan 2009 Karma :

https://homepage.ntlworld.com/webzxr/zxr750r/Features/skydork.html

Twisted Evil

though the brg kit is rather expensive, it seems to make the conversion pretty simple...i know, not the most economic solution, prob best to just grab a 7r lump

DrDonnyBrago · World Chat Champion Joined: 03 Jan 2010 Karma :

Paulington · World Chat Champion Joined: 11 Mar 2009 Karma :

I imagine you could squeeze a 'Busa engine in there, probably a turbo too...

Wink

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