Zmilin
Saddle Sore
Reged: 03/02/07
Posts: 5109
Loc: Sammamish, Washington - USA
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Heres some pics for ya...
Current state of affairs
I should NOT see light ... but I do...
Getting ready for shipping to TPUSA...
Just a side by side of old vs new
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07 Black BA, 39mm FCRs, TPUSA stage 1 head, TPUSA 813 cams, TPUSA 10.8:1 pistons, TTP #3 igniter, Specialty Spares Long Cannons, Tsukayu Hard Bags. 82HP/55tq
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KaiserSoze
Oil Expert
Reged: 05/09/06
Posts: 2148
Loc: Chicago, IL
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That sucks Z. My bike is still going back together little by little, whenever I can find time to work on it. I took the stator cover off and turned the crank by hand, this way I can make sure all the marks line up. I turned it about four revolutions, so far so good. Hopefully I won't have any surprises waiting for me when I fire it up. Silver lining is that you get to do the head work now, even though it was money you probably weren't planning to spend. Good luck going forward.
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2013 GREAT RIVER ROAD RALLY
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FriarJohn
"Lighten up, Francis."
Reged: 01/11/05
Posts: 18825
Loc: East Helena, Montana
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That looks all too familiar, except the engine is black instead of silver. 
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BA.com Caretaker | Friarsride | jb.com
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mag10
Adjunct
Reged: 01/16/08
Posts: 576
Loc: Wisconsin
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looking at your picture of the high comp piston -
I would like to suggest that while you are at this point (waiting on the head) before installing the pistons you might want to break the sharp edges of the domes and valve cut outs, this will help prevent hot spots later on.
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05 speedmaster - 904cc, 12:1 JE racing pistons, thunderbike cams, ported and polished head, scepter pipes, blueprinted manifolds, 39mm FCR's
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Zmilin
Saddle Sore
Reged: 03/02/07
Posts: 5109
Loc: Sammamish, Washington - USA
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I appreciate the tip but I have to think that TPUSA has done their homework on these. Last thing I need is to fubar something else.
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07 Black BA, 39mm FCRs, TPUSA stage 1 head, TPUSA 813 cams, TPUSA 10.8:1 pistons, TTP #3 igniter, Specialty Spares Long Cannons, Tsukayu Hard Bags. 82HP/55tq
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Two_Wheel_n
Learned Hand
Reged: 08/02/09
Posts: 1092
Loc: South Coast, MA
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+1 what Mag10 said. Just get an "x-acto" knife and run it along the edges of the dome and valve pockets, its part of the "engine build" not part of the "piston manufacturing". Don't cut into it, just scrape it, IE: keep the blade perpendicular to the edge. If you have your ignition advanced, and the higher comp. ratio, pre-ignition (pinging) could be a problem, especially if you get some bad gas.
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'04' Black America
Some new pics:
http://s889.photobucket.com/home/spcont/recentuploads?view=slideshow
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Zmilin
Saddle Sore
Reged: 03/02/07
Posts: 5109
Loc: Sammamish, Washington - USA
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Quote:
+1 what Mag10 said. Just get an "x-acto" knife and run it along the edges of the dome and valve pockets, its part of the "engine build" not part of the "piston manufacturing". Don't cut into it, just scrape it, IE: keep the blade perpendicular to the edge. If you have your ignition advanced, and the higher comp. ratio, pre-ignition (pinging) could be a problem, especially if you get some bad gas.
Thanks for clarifying. You can't see it in the pics but that already been done before I got them. I can run my finger over all the "edges" and not feel any sharp edges and in some places can see that the edge has been taken down or de-burred.
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07 Black BA, 39mm FCRs, TPUSA stage 1 head, TPUSA 813 cams, TPUSA 10.8:1 pistons, TTP #3 igniter, Specialty Spares Long Cannons, Tsukayu Hard Bags. 82HP/55tq
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MercKing
Adjunct
Reged: 08/16/09
Posts: 488
Loc: Manchester, NH USA
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Sorry to hear Z! I'm not a very patient person myself so I feel your pain. I've done a lot stupid things rushing stuff cause I'm pumped about it. Good news is you'll have an awesome running motor soon.
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2008 Speedy, AI removed, DIY airbox destruction with K&N filters, spectres, re-jetted and "custom" rattle can paint job.
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marty
Learned Hand
Reged: 03/23/08
Posts: 1153
Loc: Alberta,Canada
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Oh that sucks Z,really sucks.those beefy,shiney new pistons do look good tho,look at the bright side tho,yer getting your head done.
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Zmilin
Saddle Sore
Reged: 03/02/07
Posts: 5109
Loc: Sammamish, Washington - USA
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Quote:
Oh that sucks Z,really sucks.those beefy,shiney new pistons do look good tho,look at the bright side tho,yer getting your head done.
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07 Black BA, 39mm FCRs, TPUSA stage 1 head, TPUSA 813 cams, TPUSA 10.8:1 pistons, TTP #3 igniter, Specialty Spares Long Cannons, Tsukayu Hard Bags. 82HP/55tq
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