Nanni N4.40 User Manual

ENGINE
03-M-E3B, 03-M-DI-E3B, 03-M-E3BG, WSM
1-S97
(5) Cylinder
Cylinder Wear
1. Measure the I.D. of the cylinder at the 6 positions (see figure)
with a cylinder gauge.
2. Find the maximum and minimum inner diameters.
3. Find the difference between the maximum and the minimum
inner diameters.
4. If the maximum I.D. or the difference is more than the allowable
limit, bore and hone it to the oversize dimension. (Refer to
"Cylinder Correction (Oversize)".).
5. Examine the cylinder wall for scratches. If you find deep
scratches, bore the cylinder. (Refer to "Cylinder Correction
(Oversize)".)
M00000003ENS0143US1
Cylinder I.D.
Factory
spec.
D1503-M
V2003-M
V2003-M-BG
V2003-M-T-BG
83.000 to 83.022 mm
3.2678 to 3.2685 in.
D1703-M
D1803-M
V2203-M
V2403-M
V2403-M-T
D1803-M-DI
V2403-M-DI
V2403-M-DI-T
D1703-M-BG
V2203-M-BG
V2403-M-BG
87.000 to 87.022 mm
3.4252 to 3.4260 in.
Allowable
limit
D1503-M
V2003-M
V2003-M-BG
V2003-M-T-BG
83.170 mm
3.2744 in.
D1703-M
D1803-M
V2203-M
V2403-M
V2403-M-T
D1803-M-DI
V2403-M-DI
V2403-M-DI-T
D1703-M-BG
V2203-M-BG
V2403-M-BG
87.170 mm
3.4319 in.
Difference between
maximum I.D. and
minimum I.D.
Allowable limit
0.15 mm
0.0059 in.
(A) Top
(B) Middle
(C) Bottom (Skirt)
(a) Right-angled to Piston Pin
(b) Piston Pin Direction
KiSC issued 06, 2009 A

Nanni N4.40 Specifications

General

Brand	Nanni
Model	N4.40
Category	Engine
Language	English