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 Big help please from just rebuilt the heads.

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Gibbotvr
Carlotto
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PostSubject: Big help please from just rebuilt the heads.   Fri Jun 15, 2018 7:10 am

Well just fitted the rollerised kit. Admittidley I did have both heads of at once but I marked up the chain and sprockets. I have followed the maintanance manual but when I start her she's running as lumpy as our roads.
Have I fooked up. I have attached photos, I did the left side first and worked to the right:
All I can see in the inspection hole is scratch marks around the TDC points but there is about an inch.
Am I being a prize idiot. I will post the right cylinder on next post. Cheers
.
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Gibbotvr
Carlotto
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PostSubject: Re: Big help please from just rebuilt the heads.   Fri Jun 15, 2018 7:14 am

No photos then bugger..Left hand side.[You must be registered and logged in to see this image.]
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Gibbotvr
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PostSubject: Re: Big help please from just rebuilt the heads.   Fri Jun 15, 2018 7:17 am

Right hand side..[You must be registered and logged in to see this image.]
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GuzziSteve
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PostSubject: Re: Big help please from just rebuilt the heads.   Fri Jun 15, 2018 8:13 am

I would not count on any marks on the flywheel, do absolute TDC on compression stroke. Do Not put the big holes on the oil spreader over the locating pin, the pin WILL come out. I use the little holes, you can see pin but it can't come out.
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sidrat
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PostSubject: Re: Big help please from just rebuilt the heads.   Fri Jun 15, 2018 8:14 am

When you say lumpy, is it running as the timing is out?

Have you re-checked the timing? They will run with one tooth out, but produce no power, however you woud not notice any lumpiness.

Are there any noises coming from the top end?

I would start again and go through the timing from scratch
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Gibbotvr
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PostSubject: Re: Big help please from just rebuilt the heads.   Fri Jun 15, 2018 8:21 am

It will tick over but won't rev. I have checked it again (as per the photos) and it all looks pretty close. Why don't they put a definite TDC mark, they give you the bloody hole...it is a little noisey but not clattering it's tits off. The TPS was set at 7.4 degrees so I reset to the 4.6 whilst it was in pieces. It does feel like the throttle is not connected to the engine?? Confused..
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Pete Roper
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PostSubject: Re: Big help please from just rebuilt the heads.   Fri Jun 15, 2018 1:45 pm

The timing inspection port is a hangover from the old days, it is now completely functionless, ignore it.

I’ve no idea what you’ve done but why on earth did you take both heads off at once? It’s asking to loose the timing!

I’d go in again and start from scratch with first one side and then the other and make certain it is timed correctly.

The linkage rod between the TB’s hasn’t been disconnected or fiddled with has it?
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Gibbotvr
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PostSubject: Re: Big help please from just rebuilt the heads.   Fri Jun 15, 2018 10:51 pm

Yeah rooky error I know,. No I haven't touched the TB's. I will run through it again and check I haven't ballsed it up.
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paulbrice
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PostSubject: Re: Big help please from just rebuilt the heads.   Sat Jun 16, 2018 2:26 am

Although it all looks lined up the chain has likely slipped around the lower sprockets that drive it....if that's the case then at exact TDC your top cam sprocket key will look out of line on one or both cylinders (see one tooth out picture below). You are right finding that TDC without a flywheel mark is tricky as there is a point where turning crank flips the conrod & TDC stays same, screwdriver end may move etc ---- so just saying finding TDC to set chain timing requires more attention/accuracy than when setting valve clearances !.   I marked flywheel up before taking head off just in case chain slipped (it did Wink )....as other said you musn't let the top sprocket pin get anywhere near the big open holes in the oil shield else it will wiggle out...if you can't find aligned problem after that then it's something else. Hope it goes well.

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Gibbotvr
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PostSubject: Re: Big help please from just rebuilt the heads.   Sat Jun 16, 2018 2:41 am

Thanks again. I've just checked it all again and moved the plates round, but it still starts up and won't rev. It is louder on the right cylinder and I have this feeling that it is a tooth out even though it looks right. I'm just checking I've not disturbed anything (vac hose etc) before I take the chain tensioner out and start again. Bloody sun's shinning as well grrrrr....f*******g......grrrrr...
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paulbrice
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PostSubject: Re: Big help please from just rebuilt the heads.   Sat Jun 16, 2018 5:55 am

Why would you start by releasing cam tensioner ? If either side is a tooth out then it will be obvious (assuming you actually are at TDC) from the fact that the upper sprocket key doesn't line up with straight line between the cover bolt holes. So unless you can see it's obviously not aligned, there isn't much point to un-tension the cam chain because you only do that to move the chain around the top sprocket so that they do align Very Happy .
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paulbrice
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PostSubject: Re: Big help please from just rebuilt the heads.   Sat Jun 16, 2018 6:01 am

Forget to say check for kinked fuel pipe - that's another thing I've managed to successfully do whilst taking & refitting tank Wink
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Gibbotvr
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PostSubject: Re: Big help please from just rebuilt the heads.   Sat Jun 16, 2018 7:30 am

Right I just pulled the right side down again, moved a tooth and put it back properly this time. I've just done an 8 mile run and all seems good. Lessons learned and I don't want another bollocking off Pete. Thanks for all your help and now I can move onto all the other jobs I can fook up..
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paulbrice
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PostSubject: Re: Big help please from just rebuilt the heads.   Sat Jun 16, 2018 7:45 am

Congratulations - should be all good from here on with rollers !
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GuzziSteve
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PostSubject: Re: Big help please from just rebuilt the heads.   Sat Jun 16, 2018 10:58 am

Great!! Check clearance after 1Kmi and your good.
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sidrat
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PostSubject: Re: Big help please from just rebuilt the heads.   Sun Jun 17, 2018 11:49 am

Dont worry we all make mistakes, the important bit is leanring from them, i sometimes manage that an sometimes dont!!!

now its time to enjoy the bike :-)
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Gibbotvr
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PostSubject: Re: Big help please from just rebuilt the heads.   Sun Jun 17, 2018 1:30 pm

Yeah Its definitely got some character. [You must be registered and logged in to see this image.][You must be registered and logged in to see this image.]
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relayer
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PostSubject: Re: Big help please from just rebuilt the heads.   Mon Jun 18, 2018 6:28 pm

She is a pretty lass!

cheers
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Gibbotvr
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PostSubject: Re: Big help please from just rebuilt the heads.   Tue Jun 19, 2018 1:39 am

Thanks, she looks like it just came out of the showroom. People get a shock when they see the licence plate and it being a 2009 bike. Sorry about the repeat photo, I'll suss it out soon..doh..
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sidrat
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PostSubject: Re: Big help please from just rebuilt the heads.   Tue Jun 19, 2018 5:36 am

Very nice, when i was looking for one i wanted a white one
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RIKBRIANT
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PostSubject: Re: Big help please from just rebuilt the heads.   Tue Jun 19, 2018 4:23 pm

sidrat wrote:
Very nice, when i was looking for one i wanted a white one


The White ones are the fastest , but you know that dont you..? Cool
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