Job lot of NOS pistons, rings etc for early Japanese bikes.

May be good eBay or autojumble stock?

These parts came out of a local bike engineering company that ceased trading last year.

Yamaha genuine ring sets;

4L1-11610-40
4L1-11610-30 2 sets plus 4 spare top rings
4L1-11610-40
4JX-11603-00
1A0-11610-10 0.25
31K-11610-20
1A0-11610-20 0.5
1UA-11610-10
1A0-11610-10 0.25mm


Yamaha pattern ring sets;

479-11601-10
Y31K-610-050
TZ250 4A1-11611-00
31K-11610-10 .25
1A0-11610-40
Y31K-610-050
479-11601-10
Y2N-5601-100
31K-11610-20
31J- Std
1A0-11610-20
2MA-11610-80
YB100 0.75
2MA-11610-50 
TZR125 1.5mm
54037-Y-10W Std
31K-11610-10 0.25mm
31K-11610-20
YB100 1.00mm
TZR125 0.25mm
2MA-11610-20 0.5mm
4L1-11610-11 0.25mm
YZ250 83~87
YZ250 68mm
382-11610-4231K-11610-20
Y-31J601 0.5mm
4JX Std
2MA-11610-20 0.5mm
TZR125 0.25mm
4L1-11610-11 0.25mm
479-11601-20
31K-11610-30
31K-11610-80
YMY-20368AA 2.00mm 2 sets

Honda genuine ring sets;

13122-KS7-306
13031-HC4-306
13121-GBF-831
130A1-964-810 

Honda genuine piston 13101-GB2-010

Honda pattern ring sets

HKZ-4702-100
13101-KE1

Honda pattern pistons, with rings and pin unless stated

XL100S 0.5 
XL100S Std bare piston
Lead / Vision 50 43.5MM
C50C Std
SJ50 1.00
C50C 0.5mm
NSR125 Std bare piston 
C70 1.00mm with rings but no pin.

Suzuki GT250 K/L pattern piston kit x2 12110-18403-050

Odd parts;

Koyo bearing 6207C3
Koyo bearing 32006JRRS
SKF bearing 6206 NR/C3
NSK bearing 6206NRW
NSK bearing 6206N

Genuine Honda shell bearing 13218-415-013

Crankshaft shell bearing set CR4039AM 040

Vauxhall sump bolt kit
Honda XL250R owner's handbook
Head gasket, maybe Triumph 94036.