CBR900RRV - Oil on spark plugs - Honda Motorcycles - FireBlades.org
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post #1 of 8 Old 01-05-2017, 7:52 AM Thread Starter
 
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CBR900RRV - Oil on spark plugs

I am just getting my 1997 'Blade on the road after several years of being left standing. Had an electric fault, and as I lived in a flat (apartment), it was very hard to do any maintenance. I've got a house and garage now, so the blade's getting a make-over.

I'm not sure it will look anything like Wozza's bike in the recent post. That most have taken some tender care - good work. However, I will be commuting on mine, so only need it to be functional.

I've got the engine running now, but it is not very smooth. I've taken the carbs off and they're about to be cleaned up. I've checked the sparks, and they have some oil on them, as shown in the picture.

The oil does not seem to be burned on, and mostly pooled at the top of the thread. The bike has been knocked over in the car park several times, so I wondered if this could some how have caused oil to get there. Or, else, have I got a bigger problem with leaking seals, somewhere?

I'm interested in anyone's thoughts.

Cheers,
Grubby.
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post #2 of 8 Old 01-05-2017, 10:22 AM
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Re: CBR900RRV - Oil on spark plugs

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Originally Posted by Grubby View Post
I am just getting my 1997 'Blade on the road after several years of being left standing. Had an electric fault, and as I lived in a flat (apartment), it was very hard to do any maintenance. I've got a house and garage now, so the blade's getting a make-over.

I'm not sure it will look anything like Wozza's bike in the recent post. That most have taken some tender care - good work. However, I will be commuting on mine, so only need it to be functional.

I've got the engine running now, but it is not very smooth. I've taken the carbs off and they're about to be cleaned up. I've checked the sparks, and they have some oil on them, as shown in the picture.

The oil does not seem to be burned on, and mostly pooled at the top of the thread. The bike has been knocked over in the car park several times, so I wondered if this could some how have caused oil to get there. Or, else, have I got a bigger problem with leaking seals, somewhere?

I'm interested in anyone's thoughts.

Cheers,
Grubby.
Hi and welcome Grubby,got a job on there, but like any resto ,it starts with the first steps, probably have a few bloody knuckles but it will be worth it, any more pics of the whole bike as we can watch the resto progress. Bill

“Critics are like eunuchs in a harem; they know how it's done, they've seen it done every day, but they're unable to do it themselves.”Brendan Behan
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post #3 of 8 Old 01-05-2017, 10:29 AM
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Re: CBR900RRV - Oil on spark plugs

to the .org grubby!

Not sure if oil on the threads is "normal" or not... but I can tell you even when I pulled the plugs on my '08 cbr600rr after only 500 or 600 miles there was a little bit of oil on the threads. Same deal every time I check/replace the plugs on my RR2.... Your electrodes look clean (am I wrong on that?) and I do not see anything burned onto them at all. If you have oil on the electrode there are numerous potential culprits (rings, valve stem seals, head gasket,) but if it is just on the threads I do not think I would invest too much into it.

Disclaimer: I could be wrong on the oil on the threads, but every bike I have ever changed plugs on has at least some oil on the threads leaving me with the belief that it is semi-normal.....
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post #4 of 8 Old 01-05-2017, 1:46 PM Thread Starter
 
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Re: CBR900RRV - Oil on spark plugs

Thanks. Getting the carbs off was a bigger hassle than I thought. Broke the T-joint union for the fuel line, which was very brittle. I think I've found something that should fit...

You are right about the knuckles. They are losing skin fast.

I'll try to get some pictures up later, so you can see my progress. The bike is currently in lots of bits, at the moment.

Grubby.
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post #5 of 8 Old 01-05-2017, 1:49 PM Thread Starter
 
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Re: CBR900RRV - Oil on spark plugs

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to the .org grubby!

Not sure if oil on the threads is "normal" or not... but I can tell you even when I pulled the plugs on my '08 cbr600rr after only 500 or 600 miles there was a little bit of oil on the threads. Same deal every time I check/replace the plugs on my RR2.... Your electrodes look clean (am I wrong on that?) and I do not see anything burned onto them at all. If you have oil on the electrode there are numerous potential culprits (rings, valve stem seals, head gasket,) but if it is just on the threads I do not think I would invest too much into it.

Disclaimer: I could be wrong on the oil on the threads, but every bike I have ever changed plugs on has at least some oil on the threads leaving me with the belief that it is semi-normal.....
Thanks,

You are right. The electrodes look fine, making me think that no oil has got into the chamber. I'm changing the plugs, and will see what happens. I'll keep an eye on them from time to time.

Grubby.
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post #6 of 8 Old 01-10-2017, 12:13 PM
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Re: CBR900RRV - Oil on spark plugs

Breaking the t-union was probably for the best =) I have an old beat-down car that I break something on almost every time I "fix" something on it.... endless cycle to be honest. The good thing is, if it broke that easy to begin with it probably needed to be replaced anyway... lest it should fail at an inopportune time.

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post #7 of 8 Old 01-10-2017, 10:39 PM Thread Starter
 
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Re: CBR900RRV - Oil on spark plugs

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Originally Posted by RRDemon View Post
Breaking the t-union was probably for the best =) I have an old beat-down car that I break something on almost every time I "fix" something on it.... endless cycle to be honest. The good thing is, if it broke that easy to begin with it probably needed to be replaced anyway... lest it should fail at an inopportune time.
I think you're right. They both crumbled, so probably perished through age. Also means that second hand parts likely to be in the same condition. New ones were £22 each, with £15 postage from Europe. Although, Partzilla had them on offer at $17 each and $12 postage, so bought them from the US. Just have to wait for the extra time to get them.
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post #8 of 8 Old 01-11-2017, 11:02 AM
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Re: CBR900RRV - Oil on spark plugs

Take the extra post time to go through hoses and other unions to make sure she is sorted completely before something goes wrong at the wrong time =) ...probably never a "good" time to have something go wrong though =)

Also wanted to point out - I have (typically) at least one minor injury per-job when working on my bike..... usually nothing too-big... but it just happens lol.

True blood and sweat has gone into my bike.

/**Serenity**\ 2002 Honda CBR954RR Fireblade

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