Calling all mechanically minded

Originally Posted by SoulKiss

nope not changed until 8k I believe and then ecery 8k thereafter - doesnt have an interval based on time.

Thats for my Z750 anyways - woiuld have thought you would be about the same

yes i think they are done on the 4K for mine , but as you point out thy havent been done, which adds credence to the fact they could be breaking down, rattled lose with the vibration, or water ingress from being cleaned all the time.

[yorkie_chris]

600 mile service is usually just oil and filter after the running in period

Originally Posted by yorkie_chris

600 mile service is usually just oil and filter after the running in period

yes you are right.

At least i have a few simple things i can try and see it they are the culprate before taking it back to the dealer.

!. Check all air intakes/ tubes for correct connections and blockages.
2. Check electircal connectors around the bike to ensure they are dry.
3. check and pos change spark plugs, for correct seating, and any water ingress.

After all that and if the Dyno run still shows problems, its off to George whites with it.

Originally Posted by neio79

3. check and pos change spark plugs, for correct seating, and any water ingress.

Unfortunately there is no point 'checking' them ... if it is like mine was, you won't be able to 'see' anything is wrong!!

Just replace them ... if it turns out they made no difference then you have treated it to some new plugs ... not a bad thing

At the end of the day what are a set of plugs? £25? ... at labour rates these day £60/hr? its gotta be worth a go before taking it to the dealer

Plugs are little feckers and I have had many a problem I was convinced to be carburation just to turn out to be a duff plug/plug cap!!

Originally Posted by Blue_SV650S

I bet you a shiny penny it is a spark plug breaking down/problem

Had exactly the same symptom on my SV ... it was a dodgy plug ... sometimes it'd rev fine, other times it just felt like it wasn't pulling as hard as it should ... but not as if it was totally down onto just one ...

+1

Originally Posted by Blue_SV650S

Mine was an actually faulty plug ... i.e. the plug itself must have started breaking down (nothing to do with water in the plug cap etc).

In my case, the plug was completely knackered due to water getting in the front plug.

Originally Posted by neio79

was it easy to see that the plug was knackered?

Yup, very. The head of the plug was black, and it'd pretty much fallen in half. This happened approx 1500 miles after I changed the plugs.

I had exactly the same symptoms as you, sometimes the SV would pull, sometimes I couldn't even overtake! Didn't matter if it was wet or dry, as the damage had been done to the plug.

Originally Posted by Baph

+1.

Sounds like yours went totally down on one plug, I think mine was just having a half harted atempt at doing its job.

So with this new information, despite what I just said , a check seems like a good thing, but if it looks ok, don't assume it is as it might be more like mine than Baph's!!

In shot it may be obvious when looking, but either way you gotta change them so have the new set to hand!!

Originally Posted by Blue_SV650S

Sounds like yours went totally down on one plug, I think mine was just having a half harted atempt at doing its job.

Most of the time mine was running on 2 cylinders, but periodically would drop to one. When it was on once cylinder, if I didn't give a big fistfull of revs pulling out of junctions, it'd stall quite happily.

well checked all the conections and hoses i could tonight, but not the plugs. As they are f**king hard to get to you have to virtually remove all the inlet valves and injector rails to get to the top of the engine block

Just hit it with a small hammer...

... if that doesn't work, find a bigger hammer...


... if it still doesn't get any better then...





... well...









... don't listen to me in the first place. I know everyfink about nuffink me!

[yorkie_chris]

Originally Posted by neio79

As they are f**king hard to get to you have to virtually remove all the inlet valves and injector rails to get to the top of the engine block

See what you get buying one of these new fangled bikes...

Originally Posted by K

... don't listen to me in the first place. I know everyfink about nuffink me!

Nah you're just not using a big enough hammer