help!

[emaN]

Update

no-one 'round Rotorua seems to have borescopes...!?!

got hold of a telescopic pen/magnet with a pivoting head and a mate's compressor.
blew air into the cylinder, then had a good loooong feel for it - nada.

i broke the outer electrode off a good plug, to check how near the magnet it needs to be and compared the new shiny break with the bust plug.
looks like the bust plug is an old break.

a few weeks ago, SlickD, Goblin & I went for a thrash; about 30mins into it, i noticed the bike running a little 'off' so i started thinking about getting it in for a tune-up. it's done this a couple times since too...

i'm now wondering if the plug broke back then and blew out the exhaust ports...?

i'm gonna get a new set of plugs today, and perhaps throw 'em in & start her up...

fingers crossed!

[750Y]

I’m picking it’s been slapped around & blown out but the plug soldiered on a while with what was left of the bit. Whatever damage has probably already been done.
You don’t need a new head gasket if you just wanna have a peek, just be gentle with the existing one. It’ll take You 4hrs to get in/out.
Your call. Hope it turns out ok & You make it to Paeroa.
either way i think this could be your year for a new bike.

[emaN]

dunno 750Y...

all our savings are going towards getting back to the UK and Isle of Man next year (we just booked our tickets the other day!!! )

so i gotta make this ol' RF last a bit longer!

4hrs huh? will see what happens tonight...

[scumdog]

dunno 750Y...

all our savings are going towards getting back to the UK and Isle of Man next year (we just booked our tickets the other day!!! )

so i gotta make this ol' RF last a bit longer!

4hrs huh? will see what happens tonight...

Try a gun-shop or gun-smith for a bore-scope, often used by these types.

Might save 4hrs and a headgasket.

[Idrumm]

Hi Mate, if you are going to pull the head and use the old gasket, spray some VHT hi temp copper gasket cement on both sides of the old gasket, works well.
Got a can in the shed, if you want it Dingdong,To Much and myself will be looking for some where to ride tomorrow so a ride to Rotorua would not be a problem.
Cheers Darrell

[emaN]

Thanks Darrell!

Hopefully won't need it - ordered some plugs yesterday & picked them up this morning...($17 from Repco, $22 from bike shop, hmmmmmm) so i'll chuck 'em in this evening to see what happens...

Rang a gunsmith; he reckons a borescope needs a light source at the other end, so wouldn't really work... but cheers for the tip Scum!

[HDTboy]

You gonna bring it down to the pub for the big startup?

[emaN]

Well...that might'nt be a bad idea Tboy!
i guess if it all goes pear-shaped i could get some commisatory (?) beers from sympathetic bystanders!

actually hoping to get her running,then join up with the Tga lads over at Navigator...that's where i'll be if you don't see me..

[Blackbird]

Rang a gunsmith; he reckons a borescope needs a light source at the other end, so wouldn't really work... but cheers for the tip Scum!

Jon
Our purpose-designed industrial borescope carries its own light source round the fibre optic rod so I'm not sure whether you're being misled a bit. Good to hear that you've got a plan though!

Cheers

Geoff

[scumdog]

Thanks Darrell!

Hopefully won't need it - ordered some plugs yesterday & picked them up this morning...($17 from Repco, $22 from bike shop, hmmmmmm) so i'll chuck 'em in this evening to see what happens...

Rang a gunsmith; he reckons a borescope needs a light source at the other end, so wouldn't really work... but cheers for the tip Scum!

A GOOD borescope should have it's own built-in light source and since the can fit down the barrell of a 308 they should fit your spark-plug hole piece of wees.

[emaN]

Well, well, well...

I won't be going anywhere in a hurry. (sorry 2much - i tried!)

When the plug was thrown out, it's gone and wrecked the thread on the head. (and yet, the actual plug's thread looks sweet!?!?)

So I'll have to pull her apart afterall - and while i'm at it might as well check clearances etc...

Darrell, where can i get some of that VHT copper gasket stuff you mentioned? Repco?

The saga continues.

Feel for KLOWN too, he's in the same situation - perhaps even worserer...!

[HDTboy]

If you know you're pulling the head anyway you'd be better to get a new gasket, or at leasts check the old one when you pull the head off. I'll talk to you later about it

[2much]

Sorry to hear that Jon, Goodluck with it and hope to see you out there again soon.

[Idrumm]

Yeah repcos got it mate.

[emaN]

This morning, Saturday, dawned beautiful blue skies - just the ticket for pulling one's RF apart!

HDTboy came 'round, tools 'n all, and told me what to do then kicked back for a .....NOT!

Pulled everything off, bit by bit, without even breaking ANY bolts, or stripping ANY thread! Couldn't believe it - normally something breaks...but it all went pretty smooth. Getting the head out was a wee bit tricky, but we managed to slip it out the front, with the engine in place!

I've learnt loads about rockers, cams, shims, lifters, valves...been wikkid!

Oh, the little 'outer electrode'? Nowhere to be seen, the little critter.
But he's made his mark; tiny little ones on the head, very near the exhaust valves!! So he must've banged around a bit before takin' off.

So on Monday morning, as we leave for our holiday, i'll drop the head off for the plug thread to be helicoiled...then slap it all back together in a couple weeks time.

HUGE shout out to Tboy; couldn't have done it without ya bro!!! Top dude for giving up his Sat morning to help me out...thanks loads!

At least it's all happened well before the trackday, innit?!

Bring it on!