Thu Jun 13, 2019 2:49 pm

Style Maven
74 50s x3 78 P200 x2 84 Cosa PK50XL2 58 AllState 68 Sprint 80 50special '66(?) Super125
Joined: 22 Nov 2010
Posts: 8199
Location: seattle/athens
 
Style Maven
74 50s x3 78 P200 x2 84 Cosa PK50XL2 58 AllState 68 Sprint 80 50special '66(?) Super125
Joined: 22 Nov 2010
Posts: 8199
Location: seattle/athens
Thu Jun 13, 2019 2:49 pm linkquote
I am fixing up a battered but basically sound '80 PK for a friend. Overconfidence lead to a rookie mistake and BOOM, new piston is dead . Actually the first time I have redone a top end after the old one exploded, usually just old worn out motors w/ bad compression for me. But on this motor the wrist pin bearing failed, setting loose the tip of one of the gudgeon retaining rings into the gap where it ate the piston and rings.

No problem, clean up the cylinder & head and add a new piston then go for a ride. New piston survived initial startup and not much more. Seems it caught a ring on a bit of undetected debris . I blew out the crankcase and ran a magnet thru it, but I did not bother to thoroughly rinse it out w/ gas. So 40 euro later for a 3rd piston plus a 10 euro pro hone and the problem is solved. We inverted the motor and carefully flushed every nook & cranny in the crankcase w/ a ~1/4" tube inserted until the gas came out clean, then blew it out w/ air. Listened for any crunchiness in the bearings and heard/felt nothing. The motor now runs great and w/ a fresh DR90 kit you know it will be powerful .


the guilty


the victim


the client
we reinstalled the motor with the frame still upsidedown - SO easy!



Last edited by V oodoo on Sun Mar 01, 2020 12:40 am; edited 1 time in total
Thu Jun 13, 2019 3:30 pm

Ossessionato
79 P200E, 62 Allstate, 2008 Stella
Joined: 11 Jan 2006
Posts: 2163
Location: Florence, OR
 
Ossessionato
79 P200E, 62 Allstate, 2008 Stella
Joined: 11 Jan 2006
Posts: 2163
Location: Florence, OR
Thu Jun 13, 2019 3:30 pm linkquote
Oh man. I'm glad there was a happy ending. And thanks for pointing out what could happen to anybody. The pictures say it all!
Thu Jun 13, 2019 3:44 pm

Ossessionato
62 VBB1T Round Tail W/ leaner sidecar
Joined: 26 Jan 2019
Posts: 2314
Location: california
 
Ossessionato
62 VBB1T Round Tail W/ leaner sidecar
Joined: 26 Jan 2019
Posts: 2314
Location: california
Thu Jun 13, 2019 3:44 pm linkquote
Oouch!
+1 on qascooter's comment on anyone...

Glad it's running - assume you speed at piston replacement is now at 10+ from the repeated practice...

Bright side..

:-)
Thu Jun 13, 2019 8:00 pm

Ossessionato
2 matching N.Z. '69 VBC Super, 177cc Racer, VespaCross Bodge, Puch SRA150, Piaggio Zip 100! & others
Joined: 26 May 2013
Posts: 4042
Location: That bushfire place
 
Ossessionato
2 matching N.Z. '69 VBC Super, 177cc Racer, VespaCross Bodge, Puch SRA150, Piaggio Zip 100! & others
Joined: 26 May 2013
Posts: 4042
Location: That bushfire place
Thu Jun 13, 2019 8:00 pm linkquote
Next time you buy a piston, ensure that its a round cylinder, not the version with a chunk out if it... it willwork better.

I now try to work with a big sheet/blanket underneath so i can count the bits that have fallen out.
Fri Jun 14, 2019 4:20 am

Style Maven
74 50s x3 78 P200 x2 84 Cosa PK50XL2 58 AllState 68 Sprint 80 50special '66(?) Super125
Joined: 22 Nov 2010
Posts: 8199
Location: seattle/athens
 
Style Maven
74 50s x3 78 P200 x2 84 Cosa PK50XL2 58 AllState 68 Sprint 80 50special '66(?) Super125
Joined: 22 Nov 2010
Posts: 8199
Location: seattle/athens
Fri Jun 14, 2019 4:20 am linkquote
CM, yeah I'm getting real good at it! 8)

Well I guess I should have opened the box & inspected before I threw the new piston in. I sure did on the second third one! And the motor runs nicely in the bike too. Upsidedown installation made getting that damn sleeve & rubber boot over the intake and into the frame a piece of cake - highly recommend if the frame can tolerate it. I bolted a long piece of wood to the frame at the rear gas tank bolts to prevent tipping over & carry the load, and put a fat cushion under the headset.


No road testing until after 4 o'clock though, because it's Friday and we have the laiki or street market on our street so both doors are blocked. Anyway, we still have a couple more things to do on the list.











Mon Jun 17, 2019 9:00 am

Ossessionato
79 P200E, 62 Allstate, 2008 Stella
Joined: 11 Jan 2006
Posts: 2163
Location: Florence, OR
 
Ossessionato
79 P200E, 62 Allstate, 2008 Stella
Joined: 11 Jan 2006
Posts: 2163
Location: Florence, OR
Mon Jun 17, 2019 9:00 am linkquote
This is AWESOME! I can't test out the engine because I'm blocked in from the street market. How cool is that. Definitely something you don't see in the states!

Thanks for the pictures!
Fri Feb 28, 2020 3:05 am

Style Maven
74 50s x3 78 P200 x2 84 Cosa PK50XL2 58 AllState 68 Sprint 80 50special '66(?) Super125
Joined: 22 Nov 2010
Posts: 8199
Location: seattle/athens
 
Style Maven
74 50s x3 78 P200 x2 84 Cosa PK50XL2 58 AllState 68 Sprint 80 50special '66(?) Super125
Joined: 22 Nov 2010
Posts: 8199
Location: seattle/athens
Fri Feb 28, 2020 3:05 am linkquote
encore
Less than a year later and this poor bike needs help again. The day before I arrived here some poor old guy ran a red in front of my friend manos and he thumped the guy's door pretty good and bent his fork. So we find another fork as first choice and go from there with any wrinkles.








here's me being bribed by Manos w/ ouzo and the best kalamari I've had in a L O N G time!

Fri Feb 28, 2020 6:20 am

Molto Verboso
2007 Stella 225
Joined: 02 Nov 2019
Posts: 1739
Location: Rochester, Minnesota
 
Molto Verboso
2007 Stella 225
Joined: 02 Nov 2019
Posts: 1739
Location: Rochester, Minnesota
Fri Feb 28, 2020 6:20 am linkquote
Re: encore
V oodoo wrote:
Less than a year later and this poor bike needs help again. The day before I arrived here some poor old guy ran a red in front of my friend manos and he thumped the guy's door pretty good and bent his fork. So we find another fork as first choice and go from there with any wrinkles.
You're like me I'm cheap and easy and my friends know it. Bribery with food always helps.
Fri Feb 28, 2020 6:56 am

Ossessionato
Joined: 26 Oct 2015
Posts: 2987

 
Ossessionato
Joined: 26 Oct 2015
Posts: 2987

Fri Feb 28, 2020 6:56 am linkquote
So you're back over in Greece on your annual trip? Have a good time Voodoo! That food is making me hungry too. I hope your friend is alright after that crash. Even thought the damage on the scooter doesn't look that bad, the rider can easily get worked over pretty good on a crash like that...wrists and knees take the brunt of the force when you collide head first into something on a moto.
Fri Feb 28, 2020 11:26 am

Style Maven
74 50s x3 78 P200 x2 84 Cosa PK50XL2 58 AllState 68 Sprint 80 50special '66(?) Super125
Joined: 22 Nov 2010
Posts: 8199
Location: seattle/athens
 
Style Maven
74 50s x3 78 P200 x2 84 Cosa PK50XL2 58 AllState 68 Sprint 80 50special '66(?) Super125
Joined: 22 Nov 2010
Posts: 8199
Location: seattle/athens
Fri Feb 28, 2020 11:26 am linkquote
Yep, back in my other home w/ wifey's family in Piraeus, the port city adjacent to Athens(like you can't really tell them apart). It's like bump starting the calendar by 3 months, I already ride in my shirtsleeves here at mid afternoon. I forgot to mention that when I first saw the busted bike yesterday, it was market day or LAIKI on our street this year(it alternates w/ next street over) so I have a nice variety of fruit and other amazing food literally right at my doorstep every Friday.

I had my old P parked tight against the back of niece's blue car there the night before so I could get out & around and found it carefully parked on the sidewalk in the morning so another little truck could squeeze in.

The city gets a fee and each vendor has his usual assigned and measured place so I know all the ppl in front of me for many years. At four they start loading all the little trucks back up and just leave all the trash then the city has a crew come through and completely clean up the street including wash it down. Just a working class neighborhood, but pretty nice actually.






right outside my door


kitty corner across from me, Giorgos outside his Kafe Neo
the guy who knows how to do kalamari


sign says
STREET MARKET
EVERY FRIDAY

Fri Feb 28, 2020 11:33 am

El Presidente Del Topo Chico
VNB VSC VBC VSX
Joined: 28 May 2008
Posts: 4946
Location: Hustletown, TX
 
El Presidente Del Topo Chico
VNB VSC VBC VSX
Joined: 28 May 2008
Posts: 4946
Location: Hustletown, TX
Fri Feb 28, 2020 11:33 am linkquote
Dig that! Makes me want some oranges and lemons.... and some ouzo!
Fri Feb 28, 2020 4:46 pm

Ossessionato
1963 VBB2T
Joined: 07 Nov 2012
Posts: 2509

 
Ossessionato
1963 VBB2T
Joined: 07 Nov 2012
Posts: 2509

Fri Feb 28, 2020 4:46 pm linkquote
Holy Crap you are actually part time from Athens Greece , I didnít realize you actually were from there. Iíve seen Athens in your avatar but just thought it was a thing. Well I sure hope you have a great time and enjoy the people and the weather.
Fri Feb 28, 2020 5:59 pm

Ossessionato
Joined: 26 Oct 2015
Posts: 2987

 
Ossessionato
Joined: 26 Oct 2015
Posts: 2987

Fri Feb 28, 2020 5:59 pm linkquote
Lynnb wrote:
Holy Crap you are actually part time from Athens Greece , I didnít realize you actually were from there. Iíve seen Athens in your avatar but just thought it was a thing. Well I sure hope you have a great time and enjoy the people and the weather.
Yup, for many years I thought Athens was some neighborhood suburb in Seattle that I've never heard of. Turns out Voodoo is international!
Sat Feb 29, 2020 5:49 am

Veni, Vidi, Posti
a not so normal vbb2 '64, a weirdo vbx '86, a not so normal pts100 '82 and a red lipstick '74 sprint
Joined: 15 Jun 2009
Posts: 5740
Location: Indo
 
Veni, Vidi, Posti
a not so normal vbb2 '64, a weirdo vbx '86, a not so normal pts100 '82 and a red lipstick '74 sprint
Joined: 15 Jun 2009
Posts: 5740
Location: Indo
Sat Feb 29, 2020 5:49 am linkquote
U guys should see his collection in greece
Sat Feb 29, 2020 5:25 pm

Ossessionato
79 P200E, 62 Allstate, 2008 Stella
Joined: 11 Jan 2006
Posts: 2163
Location: Florence, OR
 
Ossessionato
79 P200E, 62 Allstate, 2008 Stella
Joined: 11 Jan 2006
Posts: 2163
Location: Florence, OR
Sat Feb 29, 2020 5:25 pm linkquote
I love your posts Voodoo - it gives us a little slice of your scene, which is pretty dang sweet, BTW. I'm glad you got there safely and are already helping the neighborhood keep their Vespa's on the road....
Sun Mar 01, 2020 12:33 am

Style Maven
74 50s x3 78 P200 x2 84 Cosa PK50XL2 58 AllState 68 Sprint 80 50special '66(?) Super125
Joined: 22 Nov 2010
Posts: 8199
Location: seattle/athens
 
Style Maven
74 50s x3 78 P200 x2 84 Cosa PK50XL2 58 AllState 68 Sprint 80 50special '66(?) Super125
Joined: 22 Nov 2010
Posts: 8199
Location: seattle/athens
Sun Mar 01, 2020 12:33 am linkquote
You really cannot imagine the sheer variety of enticing food up and down my street for several blocks, all semisorted into what's being sold. I'm smack in the middle of fruits and veggies, then cheese and meat and flowers. Fish at the far uphill end.

Downhill end, then all kinds of cheap clothing, household stuff and hardware including my favorite cheapo T handle wrenches in 8, 10, 11 and 13 mm. Reminds me I need a replacement 11mm for the one lost at home in the USA. One euro. 8)











Sun Mar 01, 2020 12:45 am

Style Maven
74 50s x3 78 P200 x2 84 Cosa PK50XL2 58 AllState 68 Sprint 80 50special '66(?) Super125
Joined: 22 Nov 2010
Posts: 8199
Location: seattle/athens
 
Style Maven
74 50s x3 78 P200 x2 84 Cosa PK50XL2 58 AllState 68 Sprint 80 50special '66(?) Super125
Joined: 22 Nov 2010
Posts: 8199
Location: seattle/athens
Sun Mar 01, 2020 12:45 am linkquote
whodatschrome wrote:
So you're back over in Greece on your annual trip? Have a good time Voodoo! That food is making me hungry too. I hope your friend is alright after that crash. Even thought the damage on the scooter doesn't look that bad, the rider can easily get worked over pretty good on a crash like that...wrists and knees take the brunt of the force when you collide head first into something on a moto.
You have that right! We wait until next week to attempt rolling it 3 blocks over to the shop while his shoulder, ankle and hand get a little better. Fortunately I noticed, he was able to hoist his ouzo with only minor difficulty!
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