Author Topic: What have you done with your bike/s today?  (Read 71192 times)

Online muskrat

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Re: What have you done with your bike/s today?
« Reply #2190 on: 21.06. 2022 20:37 »
G'day worty.
First determine the cush nut is done up tight. Then see if you have any in/out movement of the crank. May need to use a pry bar and soft knockometer.
Cheers
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Offline wortluck

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Re: What have you done with your bike/s today?
« Reply #2191 on: 22.06. 2022 10:16 »
Thanks Musky et al.  I'll do all these things and will report back in due course.  Hoping to get out in the nice weather soon (28C tomorrow, apparently).  What do you mean by a 'knockometer' by the way??  I was thinking of a soft mallet type of thing.  Apologies for the ignorance.
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Online Greybeard

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Re: What have you done with your bike/s today?
« Reply #2192 on: 22.06. 2022 11:23 »
What do you mean by a 'knockometer' by the way??  I was thinking of a soft mallet type of thing.
I think he means a Birmingham screwdriver 👍
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Offline wortluck

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Re: What have you done with your bike/s today?
« Reply #2193 on: 22.06. 2022 11:54 »
Cheers GB, I do like the 'Birmingham Screwdriver' piccy.  Missed the bit on Musky's post that read 'soft' - possibly could have worked it out from there.

Anyhow, despite these glorious summer days, I'm going to whip off the primary cover and sump plate to inspect cush nut and gauze.  Won't feel entirely happy until I've had a look as my 'days out' tend to be long, arduous, and tough on bike and rider.

Don't know if I said, but I've quit work for the foreseeable future - just had enough of working for the man for now at least.  Gives me time to think about bikes, and spend money I haven't got on beer.  Happy days!! *beer* *beer* *beer* *beer*
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Online RDfella

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Re: What have you done with your bike/s today?
« Reply #2194 on: 22.06. 2022 11:55 »
Re 'birmingham screwdriver' - I've often found it's not only quicker, but the screw tends to grip better if driven in halfway before application of screwdriver.

But to the subject - took the vee twin GF for a ride yesterday but today I'm occupied fitting new guttering to my roof (not a favourite job as heights and me don't get on).  Job's a pain too as current gutter is 9" and they don't make it anymore, meaning I have to drop to 6" meaning, in turn, the fascia (about 10" x 1.1/4" plus supporting  woodwork for the 9" gutter) will need serious modification. grrrrrrr
So not much chance of bike riding for the next week or two.
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Re: What have you done with your bike/s today?
« Reply #2195 on: 22.06. 2022 12:13 »
Sort of nice to know that others are in the same predicament, RD.  I reckon I just want to be on the road as much as I can and hate setbacks and household stuff when the weather's good.  I hate heights also.  The experience of using a standoff left me clinging to the ladder with white knuckles!  Funny how the simplest jobs turn out to be buggas and vice versa.

Nice to be back in touch with y'all.
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Re: What have you done with your bike/s today?
« Reply #2196 on: 22.06. 2022 15:20 »
G'day worty.
First determine the cush nut is done up tight. Then see if you have any in/out movement of the crank. May need to use a pry bar and soft knockometer.
Cheers

Hi guys

Whipped off the primary cover, as advised by Musky.  Cush nut did need a bit of a tightening, which I've done.  The crank does move in/out easily (by hand) roughly by about 0.8mm as far as I can measure with my Vernier, could be less.  I've tried grabbing the crank by the cush nut (oooeerrrr) to see if there's any side to side or up and down, but can't detect any.  Guess the first question is whether the in/out indicates a problem at all????
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Re: What have you done with your bike/s today?
« Reply #2197 on: 22.06. 2022 21:14 »
G'day worty
That may be your problem. End float of the crank should be 0.0015" to 0.003". 0.8mm is 0.031" *eek*
If the nut becomes loose the bearing can move and destroy the shims. Was there any remnants on the sump screen?
Cheers
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Re: What have you done with your bike/s today?
« Reply #2198 on: 23.06. 2022 16:57 »
Ok guys, got everything back together - however.

As I was taking the rocker covers off to check clearances, one of the small washers escaped and fell inside the engine.  I could hear a tink, tink, tink and hoped it'd fallen outside, but apparently not.  Its not in the rocker 'void' so I reckon its fallen down the push rod channel.  Thought it might pop out onto the sump gauze so kicked it over a few times and checked - no washer.  In the end I thought %^&$ this, I'm not taking the engine apart for a small, thin, mild steel washer, especially as this engine seems to chew up other things and stick them in the sump gauze.  Fired the bike up (second kick), no knock from the engine (see previous posts), and it ran perfectly.  Still no washer in sump gauze though. 

So, what's the worst that can happen folks??
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Online berger

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Re: What have you done with your bike/s today?
« Reply #2199 on: 23.06. 2022 18:54 »
the worst that can happen worty is you go to hell. get a telescopic magnet down the tunnel and go fishing

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Re: What have you done with your bike/s today?
« Reply #2200 on: 23.06. 2022 19:05 »
Cheers Bergs.

Don't have a magnetic thingy and wouldn't fit down the pushrod tunnel anyway unless it was ultra thin.  No idea how the washer got down there as it's so narrow.  My approach is rev it up and hope that it appears on the gauze - hopefully intact *eek* *eek* *eek*
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Re: What have you done with your bike/s today?
« Reply #2201 on: 23.06. 2022 19:06 »
Oh, and in the meantime  *beer* *beer* *beer* *beer* *beer* *beer* *beer* *beer* *beer* *beer* *beer* *beer* *beer*
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Re: What have you done with your bike/s today?
« Reply #2202 on: 23.06. 2022 19:19 »
if it's down the push rod tunnel it will need the help of a magician to get to the sump gauze  *beer* i think your beer is stronger than my black&tans *beer*

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Re: What have you done with your bike/s today?
« Reply #2203 on: 23.06. 2022 20:06 »
There are small cylindrical magnets available (approx 1/4" dia x 1" long which, when pushed into a length of small dia fuel hose, can reach amazing places. Saved me many times.
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Re: What have you done with your bike/s today?
« Reply #2204 on: 23.06. 2022 20:58 »
G'day worty.
There's no way a 1/4" washer will end up in the sump, at least whole. If it's down the pushrod tunnel it will bounce around on top of the cam followers and one day might jamb one of them possibly bend a pushrod or worse. If it's still up top it could jamb a rocker and bed a valve and damage a piston.
FIND IT  *ex*
Years ago I had a 1/4" wire hose clamp fall unnoticed into a fresh RM125 motor. Did two laps of the house then destroyed the new top end. Cost $500 for me to fix.
Cheers
'51 A7 plunger, '57 A7SS now A10CR, '78 XT500, '83 CB1100F, '83 GS850, 88 HD FXST .
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