Honda NU50 User Manual

PISTON RING
H: TOP
2T: SECOND
r;;nHONDA
® NU50·NU50M
Install the ClCO<Jnder in the second fing groove.
Align the ring ends with the locating pins in the ring
grooves.
Innall the lOP and second rings in Iheir respective
ring grooves with the markings facing up.
CAUTION:
The top ril/g is Q keyslOI/l! ring and is 1/01
imercllt1llgeQhle Willi till' U/llure s~!("OfJd rillg.
Check Ihe fit of each ring In liS groove by pre5$ing
the ring inlO Ihe groove 10 make sure lhal iI is ffum
lNlth Ihe p.ston al several points Mound the ring.
A flOR that WIll not comp'ess means that the rmg
groove is dirty and it should be Cleaned.
Do I/Ol replace (m/! ril/g \.-irJlOlil rep/acing lht!
mill'"
Be sure the ring end gaps 3fC aligned with the piston
ring pmS in the ring grooves.
CYLINDER HEAD/CYLINDER/PISTON
PISTON
SECOND
RING
EXPANDEA
~TOPRING ,-
~-'L-5ECONDRIN~
~;?<: JR
EXPANDER
~e0
MARKINGS- j
-,,-J
Date ollnue: Nov., 19B1
() HONDA MOTOR CO., LTO.
57
6-7

Honda NU50 Specifications

General

Model	NU50
Category	Scooter
Ignition	CDI
Transmission	Automatic
Final Drive	Belt
Front Brake	Drum
Rear Brake	Drum
Front Tire	2.50-10
Rear Tire	2.50-10
Starting System	Kick start
Rear Suspension	Unit swing
Fuel Capacity	4.5 L