2500418
hot street - dirt track
Honda D16A9/Z5 129 hp
I-4cyl 1.6L 16v DOHC (RP/RP)
intake
exhaust
camshaft data:
lash ramp
: 0.28mm
0.28mm
duration @ 0.1mm
: 263°
263°
duration @ 1.0mm
: 226°
226°
valve lift
: 11.20mm
11.20mm
cam lift
: 6.30mm
6.30mm
lobe angle
: 108°
108°
timing @ 1.0mm
: 5° / 41°
41° / 5°
valve lift @ TDC
: 1.75mm
1.75mm
parts setup:
cam wheels :
:
:
follower
:
O.E.M.
:
O.E.M.
valve lash
:
O.E.M.
:
O.E.M.
valve
:
O.E.M.
:
O.E.M.
valve locks
:
O.E.M.
:
O.E.M.
upper retainer
:
99412
:
99412
lower retainer
:
99538/O
:
99539/O
exterior spring
:
PAC-S90015
:
PAC-S90015
interior spring
fitted load / length
: 31kg @ 37.5mm
: 31kg @ 37.5mm
max. load / lift
: 79kg @ 12.5mm
: 79kg @ 12.5mm
REMARKS :
#
check distance between valve seal and retainer to be at least 0.6mm at full lift
#
use 'GOLD quality' springs for applications over 12.5mm valve lift / 8500rpm
REMARKS :
#
we can repair the rocker arms if the wear is not excessive
#
engine with rocker arms
#
ONLY for dirt track applications and pro street use with adjustable engine management or carburettors