WATERAX
MARK-3 Owner's Manual
03/2016
– Page 46 of 52
Clearance Data and Limits
Spark plug gap
0.020-0.024 in
0.5-0.6 mm
Ignition timing
– contact breaker (point)
Ignition timing
– CDI
0.147 - 0.020 in
0.147 +/- 0.020 in
3.75 - 0.5 mm
3.75 +/- 0.5 mm
Magneto air gap
0.010-0.013 in
0.25-0.33 mm
Condenser capacity
0.15-0.19 mF
Crankcase
Crankcase main bearing diameter (new)
2.0453-2.0457 in
51.95-51.96 mm
Crankcase main bearing diameter wear limit
2.0469 in
51.99 mm
Cylinders
Nikasil cylinder red grade (standard size)
Nikasil cylinder green grade (standard size)
Nikasil cylinder surface roughness
Nikasil cylinder honing cross hatch angle
Nikasil cylinder / piston clearance
Nikasil cylinder / piston wear limit
Nikasil cylinder / piston ring gap (new)
Nikasil cylinder / piston ring gap wear limit
2.4404-2.4406 in
2.4406-2.4407 in
Rz 118-158 µin
35 degrees
0.0016-0.0024 in
0.005 in
0.007-0.013 in
0.019 in
61.985-61.990 mm
61.990-61.995 mm
Rz 3.0-4.0 µm
--
0.04-0.06 mm
0.127 mm
0.18-0.33 mm
0.48 mm
Cast iron sleeve cylinder bore (standard size)
Cast iron sleeve cylinder hone (standard size)
Cast iron sleeve cylinder bore (oversize)
Cast iron sleeve cylinder hone (oversize)
Cast iron sleeve surface roughness
Cast iron sleeve honing cross hatch angle
Cast iron sleeve cylinder / piston clearance
Cast iron sleeve cylinder / piston wear limit
Cast iron sleeve cylinder / piston ring gap (new)
Cast iron sleeve cylinder / piston ring gap wear limit
2.4390-2.4394 in
2.4409-2.4417 in
2.4587-2.4591 in
2.4606-2.4614 in
Ra 39-79 µin
45 degrees
0.0024-0.0031 in
0.0079 in
0.008-0.014 in
0.039 in
61.95-61.96 mm
62.00-62.02 mm
62.45-62.46 mm
62.50-62.52 mm
Ra 1-2 µm
--
0.06-0.08 mm
0.20 mm
0.20-0.35 mm
1.00 mm
Pistons
Piston red grade (standard size)
Piston green grade (standard size)
Piston red grade (oversize)
Piston green grade (oversize)
Rectangular ring / piston groove clearance (new)
Rectangular ring / piston groove clearance wear limit
2.4384 +/- 0.0002 in
2.4388 +/- 0.0002 in
2.4581 +/- 0.0002 in
2.4585 +/- 0.0002 in
0.003-0.004 in
0.008 in
61.935 +/- 0.005 mm
61.945 +/- 0.005 mm
62.435 +/- 0.005 mm
62.445 +/- 0.005 mm
0.07-0.102 mm
0.20 mm
Crankshaft
Conrod bearing big end, radial clearance (new)
Conrod bearing big end, radial clearance wear limit
Conrod bearing big end, axial clearance (new)
Conrod bearing big end, axial clearance wear limit
Main bearing journal diameter, magneto side (new)
Main bearing journal diameter, magneto side wear limit
Main bearing journal diameter, pump side (new)
Main bearing journal diameter, pump side wear limit
Oil seal lip area, groove deepness wear limit
Crankshaft halves run-out (new)
Crankshaft halves run-out wear limit
0.0006-0.0010 in
0.0026 in
0.0051-0.0235 in
0.031 in
0.9843-0.9847 in
0.9843 in
0.7875-0.7878 in
0.7874 in
0.002 in
0.001 in
0.003 in
0.015-0.026 mm
0.065 mm
0.130-0.597 mm
0.8 mm
25.002-25.011 mm
25.00 mm
20.002-20.011 mm
20.00 mm
0.05 mm
0.03 mm
0.08 mm
