Honda GROM125/A 2020 Manual page 118

Specifications
Service Data
■
Front
Tire size
Rear
Tire type
Front
Recommended
Tires
Rear
Front
Tire air pressure
Rear
(standard)
(For
Spark plugs
extended
high speed
riding)
116
120/70-12 51L
130/70-12 56L
Bias-ply, tubeless
VEE RUBBER V119C
IRC NR77U
VEE RUBBER V119C
IRC NR77U
29 psi (200 kPa, 2.00 kgf/cm )
2
29 psi (200 kPa, 2.00 kgf/cm )
2
CPR6EA-9 (NGK) or U20EPR9
(DENSO)
CPR7EA-9 (NGK) or U22EPR9
(DENSO)
Spark plug gap 0.031 - 0.035 in (0.80 - 0.90 mm)
(non-
Idle speed
adjautable)
Honda 4-stroke motorcycle oil API Service
Classification SG or higher, excluding oils
Recommended
marked as "Energy Conserving" or
engine oil
"Resource Conserving," SAE 10W-30, JASO
T 903 standard MA
After draining
Engine oil capacity
After
disassembly
Recommended
Honda DOT 3 or DOT 4 Brake Fluid
brake fluid
Recommended
drive chain Pro Honda HP Chain Lube or equivalent
lubricant
Drive chain slack 1 3/16 - 1 9/16 in (30 - 40 mm)
DID 420D
Standard drive
chain
No. of links 106
Drive sprocket
Standard sprocket
sizes
Driven sprocket
1,400 ± 100 rpm
1.0 US qt (0.9 L)
1.2 US qt (1.1 L)
15T
34T