Honda 90 Piston Ring Set CT90 S90 SL90 C90 CL90 ST90 CM90 CM91 ATC90 STD. SizeHere is a new Piston Rings set for many Honda 90cc motorcycles from the 1960's and 1970's. These are Standard size 50mm rings. Rings measure 1. 2mm top ring, 1. 2mm center ring and 2. 5mm thick Oil Ring so you can always check your own rings too. An essential tune up item and hard to find little item for your motorcycle that will help your restoration or keep you bike on the road. These are correct replacement for Honda Part #'s . 13011 121 762, 13010

13010-028-020

Up for sale is this very helpful and hard to find  complete engine gasket set for the now vintage Yamaha TX500 and XS500

1968 1969 and this is correct for these years

Also interesting to not is the white prototype Ford Mustang cruising the track

1964: Monterey Grand Prix – This section starts out with some brief footage of the start of the Formula Juniors & Libre

These were the great twin cylinder

Some of the many cars seen in this include: Lotus 19

CP77 Police 305 model also

We do also have on our website the very helpful complete engine Gasket Set

So check your old rings to compare

There are other gasket sets made for later models so be sure you get the right one

1977 Honda Elsinore MT125 These were the 123cc 2-stoke piston port single cylinder bikes that changed the dirt riding world