Author Topic: GB is not OK, again!  (Read 3991 times)

Online berger

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Re: GB is not OK, again!
« Reply #105 on: 15.06. 2018 13:38 »
greybeard you are amazing, you've now been practicing riding push rods. I find it near on impossible to ride a push rod. then again mine are the bsa ones with  a dome  that matches the followers. whats with these hole up the middle all about *conf2*

Online duTch

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Re: GB is not OK, again!
« Reply #106 on: 15.06. 2018 15:22 »

 
Quote
..... whats with these hole up the middle all about *conf2*....

 Fairly sure my old ones that were in the engine when I bought it in ~'77/8 were like that- maybe they're a Plunger era thing
Started building in about 1977/8 a on average '52 A10 -built from bits 'n pieces never resto intended -maybe 'personalised'
Have a '74 850T Moto Guzzi since '92-best thing I ever bought doesn't need a kickstart 'cos it bump starts sooooooooo(mostly) easy
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Offline RogerSB

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Re: GB is not OK, again!
« Reply #107 on: 15.06. 2018 16:15 »
After lunch, I'll be out for another ride.

Good Luck - hope all's well.

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Online muskrat

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Re: GB is not OK, again!
« Reply #108 on: 15.06. 2018 16:20 »
G'day GB.
Still it sounds fishy with both inlet adjusters down that far. Almost like the valve stems need caps (65-209) like the old long strokes.
Any time I've had a pushrod sitting on the edge of a follower the adjuster had to be wound right out so I knew something was wrong.
Cheers
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Online Greybeard

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Re: GB is not OK, again!
« Reply #109 on: 15.06. 2018 16:24 »
I still have not been able to get out; I've been carrying out taxi driver duties! Now, we are in the middle of 'schools-out rush hour', after that it's 'works finished rush hour'. Our Fridays are always very busy here; how about your area?

Anyhow, I just wheeled the bike out into the yard and started it. It sounds proper. We'll see what happens when it's been for a run!

Online Greybeard

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Re: GB is not OK, again!
« Reply #110 on: 15.06. 2018 16:37 »
G'day GB.
Still it sounds fishy with both inlet adjusters down that far. Almost like the valve stems need caps (65-209) like the old long strokes.
Yes, those inlet tappet adjusters are a worry but at least they are both the same. The exhaust ones are normally adjusted.
Quote
Any time I've had a pushrod sitting on the edge of a follower the adjuster had to be wound right out so I knew something was wrong.

Seems that the one I got wrong yesterday must have been on the edge of the cup, but as they are screwed down so far when properly adjusted, (since the new bits were put in) it was not obvious that the other one was actually too high; it appeared normal and the other one was unusually low! Does that make sense?

I wish I'd compared the old followers with the SRM ones more carefully; maybe the inlet ones are shorter.

The Inlet rockers look identical, but maybe both have been bent to the same degree, somehow? I know the steel SRM pushrods are very strong but if the rockers have been bent I'd expect the pushrods to have suffered also.



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Re: GB is not OK, again!
« Reply #111 on: 15.06. 2018 16:45 »
The followers should be the same length. The rockers are very strong, a pushrod would bend before a rocker and both the same would be like me winning lotto.
Hows it sounding?
Cheers
'51 A7 plunger, '57 A7SS now A10CR, '76 XT500, '77 AG175 '83 CB1100F, '81 CB900F project.
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Online Greybeard

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Re: GB is not OK, again!
« Reply #112 on: 15.06. 2018 16:50 »
The followers should be the same length. The rockers are very strong, a pushrod would bend before a rocker and both the same would be like me winning lotto.
Hows it sounding?
Cheers
You are up late fella!

The engine sounds great! Maybe I'll just keep it in the shed and start it occasionally; I don't want to risk busting it again!

The rush hour traffic has eased off so I'm taking the bike out now.

Online Greybeard

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Re: GB is not OK, again!
« Reply #113 on: 15.06. 2018 17:54 »
Well, I managed a twenty mile ride with out anything 'orrible 'appening! Your crossed items obviously did the job! Many thanks to all!

Online ellis

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Re: GB is not OK, again!
« Reply #114 on: 15.06. 2018 17:57 »
Great news GB. All I have to do now is to try and uncross every thing. *good3*  *good3*

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Online RoyC

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Re: GB is not OK, again!
« Reply #115 on: 15.06. 2018 18:12 »
I'm still seeing double, I had my eyes crossed.   *wink2*
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Offline RogerSB

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Re: GB is not OK, again!
« Reply #116 on: 15.06. 2018 19:04 »
Congrats GB, You kept going when the odds seemed stacked against you and that's the commando ethos  *smile*. Very happy for you.

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Online RichardL

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Re: GB is not OK, again!
« Reply #117 on: 15.06. 2018 20:40 »
I am so infrequently right when it comes to these long-distance diagnosis guessing games, could I be forgiven for beaming just a little? (Hmm? What was that thing they said comes just before the fall?) *eek* *smile*

Well, minimally, the rocker covers need to come off for a look-see. I know this is nearly impossible after all the chatter about it, and I don't want to offend by even thinking to mention it, but could it be the sound made after a lip-riding pushrod finds home 10 miles in?

Richard L.
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Online metalflake11

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Re: GB is not OK, again!
« Reply #118 on: 15.06. 2018 21:29 »
Good news! (at last)

Well done for continuing fighting the good fight, where many would have thrown the towel in.
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Online RichardL

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Re: GB is not OK, again!
« Reply #119 on: 15.06. 2018 22:47 »
As I said before, an ispiration.
Plan on signing up for the world-wide 2017 DISTINGUISHED GENTLEMAN'S RIDE on September 30, 2018. Watch website at https://www.gentlemansride.com for details.