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18-11-2019, 12:34   #4036
galwaytt
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......So.....?
Not going well. Might have to Go Nuclear with it.

Brand new bits, incl Carbide, got me about 10mm down....and we're just creating heat atmo. Another 10mm needed.

So, Plan A (revised for now), is fix the other MF engine on the bench and come back to it when I get time. On principle alone I won't give up yet.

So, for now I'm at this instead :

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18-11-2019, 12:44   #4037
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Originally Posted by galwaytt View Post
Not going well. Might have to Go Nuclear with it.

Brand new bits, incl Carbide, got me about 10mm down....and we're just creating heat atmo. Another 10mm needed.

So, Plan A (revised for now), is fix the other MF engine on the bench and come back to it when I get time. On principle alone I won't give up yet.

So, for now I'm at this instead :

Single cylinder maxi scoot of some kind Galway!? What's needing doing?

Bastard stainless fastener eh! No doubt you'll drill grind or erode it to hell and back
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18-11-2019, 12:51   #4038
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Originally Posted by galwaytt View Post
Not going well. Might have to Go Nuclear with it.

Brand new bits, incl Carbide, got me about 10mm down....and we're just creating heat atmo. Another 10mm needed.

So, Plan A (revised for now), is fix the other MF engine on the bench and come back to it when I get time. On principle alone I won't give up yet.

So, for now I'm at this instead :

Are you fitting one of those scooter engine upgrade kits? (Genuine Question)
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18-11-2019, 13:40   #4039
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Single cylinder maxi scoot of some kind Galway!? What's needing doing?

Bastard stainless fastener eh! No doubt you'll drill grind or erode it to hell and back
Yeah, Aprilia Atlantic 500 engine. Oil pump went awol - plastic gear dissolved in petrol-contaminated oil in the sump. Which is a fault on these because the 'stat is set too high and it runs rich/cold mix most of the time and you get borewash which causes sump level to rise.....and the numpty who designed it made the oil pump gear out of.........one step away from cardboard tbh. Junk.

Oh, and, you can't buy shell bearings for it, just new crankcases.....which, if you want a giggle, are on Line 1 here: https://www.ultimateparts.net/aprili...o-2013&i=22017


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Are you fitting one of those scooter engine upgrade kits? (Genuine Question)
The only way to upgrade this is with a 5" cutting disc....and do this:






Then, go buy a T Max.




Seriously.
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18-11-2019, 13:43   #4040
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Yeah, Aprilia Atlantic 500 engine. Oil pump went awol - plastic gear dissolved in petrol-contaminated oil in the sump. Which is a fault on these because the 'stat is set too high and it runs rich/cold mix most of the time and you get borewash which causes sump level to rise.....and the numpty who designed it made the oil pump gear out of.........one step away from cardboard tbh. Junk.

Oh, and, you can't buy shell bearings for it, just new crankcases.....which, if you want a giggle, are on Line 1 here: https://www.ultimateparts.net/aprili...o-2013&i=22017



The only way to upgrade this is with a 5" cutting disc....and do this:






Then, go buy a T Max.




Seriously.
Jasus
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18-11-2019, 22:21   #4041
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Lookin well, haven't been following, have you done anything with the rest of it and what is it?

EDIT: Fully floater - is that Suzuki?
Hey, yep it's an 89 dr750 big. Swiss import I bought a couple months back. Giving her a once over.
So far I've done as per the pic, mated an oem busa exhaust on her ( good mod), wheels bearings, caliper n master rebuild yada yada working my way forwards

Tonight's messing made this


Into this

Part was on backorder and like 80 some gbp. Feck that!
Any works in the mix yourself new member?

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18-11-2019, 23:00   #4042
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Originally Posted by galwaytt View Post
Yeah, Aprilia Atlantic 500 engine. Oil pump went awol - plastic gear dissolved in petrol-contaminated oil in the sump. Which is a fault on these because the 'stat is set too high and it runs rich/cold mix most of the time and you get borewash which causes sump level to rise.....and the numpty who designed it made the oil pump gear out of.........one step away from cardboard tbh. Junk.

Oh, and, you can't buy shell bearings for it, just new crankcases.....which, if you want a giggle, are on Line 1 here: https://www.ultimateparts.net/aprili...o-2013&i=22017



The only way to upgrade this is with a 5" cutting disc....and do this:






Then, go buy a T Max.




Seriously.
Mmm is that cut one a donor or did you throw the aprilia out of the pram lol!
I always question the presence of any plastic reciprocating parts inside the oily bits.
Crazy they run that enriched they wash the oil. If it's any consolation I had a similar thing happen when a couple decades of bst33's doing the leaking needle valve weewe washed the oil and helped wreck the mains

Overflow equipped floats pleaseeee!
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19-11-2019, 22:08   #4043
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Rear calipers a crudfest lol.


Peakaboo dust seal!


A shot of air had the pistons out easily thankfully.


Lovely!


Strip it bare ass


And give her a fizz bath.





Not the best design of a caliper, need everything working a1 to perform but that should do.
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20-11-2019, 16:46   #4044
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Hmm they weren't very generous with the red rubber grease there
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21-11-2019, 12:26   #4045
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Hmm they weren't very generous with the red rubber grease there
You got that right:lol:
Seems to me certain calipers tend to muck up seal seats with oxidation quicker than others.
I have wondered if it some were clear anodised or perhaps some are made of an alloy grade less likely to oxidise?
Either way these were as as bad as chewbaccas arse after a night on the Guinness. If I could fit a two piston opposed type in there I would.
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21-11-2019, 16:31   #4046
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And give her a fizz bath.
ooh, ultrasonic bath - noice !

Tell us about the one you have and what fluid you put in it. I bought a mickey mouse one a while ago and it's useless. Has yours a heating function ? And ever since they banned Freon it's even more useless!

What paint do you put on the calipers btw ? - I have a set of 3 Suzuki ones to do in a while as well.
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21-11-2019, 16:33   #4047
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Hmm they weren't very generous with the red rubber grease there
..and that grease is harder to buy in qty than you think: nobody will post it.

I got a big tube of it a few years ago for a car I was working on, from a company in Cork.

I have enough now to see out the entire Internal Combustion Age methinks
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21-11-2019, 16:36   #4048
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..and that grease is harder to buy in qty than you think: nobody will post it.
Huh?
Its simple to get.
https://rover.ebay.com/rover/0/0/0?m...2F331841244015
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21-11-2019, 16:39   #4049
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..and that grease is harder to buy in qty than you think: nobody will post it.

I got a big tube of it a few years ago for a car I was working on, from a company in Cork.

I have enough now to see out the entire Internal Combustion Age methinks
Or from sandyford

https://www.eurocarparts.com/en_ie/p...saAs-fEALw_wcB
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21-11-2019, 18:35   #4050
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..and that grease is harder to buy in qty than you think: nobody will post it.
About a year or so ago I got a 500g tub of it in Southside Motor Factors fairly cheap. I've used about 5g so far
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