The piston/rings are NOS + 0.50
One manual states that the top ring is marked 'T' and another manual says 'N'. Both say that the middle ring is tapered.
One of my rings is silver and the other is black. They both have 'T' and '50' on either side of the gap. Neither say 'N' and I cant see any taper.
Can anyone advise which one goes where?
The manuals also say that I need to put the rings inside the bore first and check the gap, but they only state what it should be for a standard size ring (Top/second 0.30-0.50mm, oil side rail 0.2-0.9mm).
Is it the same for all rings or is there a different gap for +0.50 ?
Control the ring gap, that's important.
And insert rings with inscription upside.
so my only concern now is the ring gap.
I've been reading up on it and it seems like I need to find the gap given by the manufacturer (Honda) as wiseco could be different as it is specific to their product/materials.
Obviously I have no way of doing that so if anyone can answer that question I'd be very grateful and the build can continue.
On your gap question, it's simple. The rings must fit the piston and the larger cylinder.
When you put in the second extension, the rings must also be for the second extension.
The calculation shows:
Circumference at 89mm is 279.46mm
Circumference at 89.5mm is 281.03mm
This makes a difference of 1.57mm
So, small rings in the big cylinder is not so smart.
Use the appropriate rings and the clearance should be a maximum of 0.50mm.
Moto 6.5 / Bj 96
Scheint die Sonne auf das Schwert,macht der Segler was verkehrt.
WAFI: Wind assisted freaking idiot
I don't know if he's correct or not, but I checked the ring gap of my new .50 rings and they did fall within the overall limit in the manual.
OIL (SIDE RAIL) #1 0.20-0.90mm
OIL (SIDE RAIL) #2 0.20-0.90mm
MY 0.50 RING SET
OIL (SIDE RAIL) #1 0.75mm
OIL (SIDE RAIL) #2 0.55mm