Nanni N4.40 User Manual

ENGINE
03-M-E3B, 03-M-DI-E3B, 03-M-E3BG, WSM
1-S15
Piston Pin Bore I.D. 25.000 to 25.013 mm
0.98426 to 0.98476 in.
25.05 mm
0.9862 in.
Top Ring to Ring Groove
[D1803-M-DI, V2403-M-DI]
Clearance 0.050 to 0.090 mm
0.0020 to 0.0035 in.
0.20 mm
0.0079 in.
Second Ring to Ring Groove
[D1503-M, D1703-M, D1803-M, V2003-M,
V2203-M, V2403-M, V2403-M-T,
V2403-M-DI-T, D1703-M-BG, V2003-M-BG,
V2003-M-T-BG, V2203-M-BG,
V2403-M-BG]
Clearance 0.0930 to 0.128 mm
0.00367 to 0.00503 in.
0.20 mm
0.0079 in.
Second Ring to Ring Groove
[D1803-M-DI, V2403-M-DI]
Clearance 0.0780 to 0.110 mm
0.00307 to 0.00433 in.
0.20 mm
0.0079 in.
Oil Ring to Ring Groove
[D1503-M, D1703-M, D1803-M, V2003-M,
V2203-M, V2403-M, V2403-M-T,
V2403-M-DI-T, D1703-M-BG, V2003-M-BG,
V2003-M-T-BG, V2203-M-BG,
V2403-M-BG]
Clearance 0.020 to 0.060 mm
0.00079 to 0.0023 in.
0.15 mm
0.0059 in.
Oil Ring to Ring Groove
[D1803-M-DI, V2403-M-DI]
Clearance 0.030 to 0.070 mm
0.0012 to 0.0027 in.
0.15 mm
0.0059 in.
Top Ring
[D1503-M, V2003-M, V2403-M-T,
D1803-M-DI, V2403-M-DI, V2403-M-DI-T,
V2003-M-BG, V2003-M-T-BG]
Ring Gap 0.20 to 0.35 mm
0.0079 to 0.013 in.
1.25 mm
0.0492 in.
Top Ring
[D1703-M, D1803-M, V2203-M, V2403-M,
D1703-M-BG, V2203-M-BG, V2403-M-BG]
Ring Gap 0.25 to 0.40 mm
0.0099 to 0.015 in.
1.25 mm
0.0492 in.
Second Ring
[D1503-M, D1703-M, D1803-M, V2203-M,
V2403-M, D1803-M-DI, V2403-M-DI,
D1703-M-BG, V2003-M-BG, V2203-M-BG,
V2403-M-BG]
Ring Gap 0.30 to 0.45 mm
0.012 to 0.017 in.
1.25 mm
0.0492 in.
Second Ring
[V2003-M, V2403-M-T, V2403-M-DI-T,
V2003-M-T-BG]
Ring Gap 0.40 to 0.55 mm
0.016 to 0.021 in.
1.25 mm
0.0492 in.
Oil Ring
[D1503-M, D1703-M, D1803-M, V2003-M,
V2203-M, V2403-M, V2403-M-T,
V2403-M-DI-T, D1703-M-BG, V2003-M-BG,
V2003-M-T-BG, V2203-M-BG,
V2403-M-BG]
Ring Gap 0.25 to 0.45 mm
0.0099 to 0.017 in.
1.25 mm
0.0492 in.
Oil Ring
[D1803-M-DI, V2403-M-DI]
Ring Gap 0.20 to 0.40 mm
0.0079 to 0.015 in.
1.25 mm
0.0492 in.
Connecting Rod Alignment – 0.05 mm
0.002 in.
Piston Pin to Small End Bushing
•Piston Pin
• Small End Bushing
Oil Clearance
O.D.
I.D.
0.014 to 0.036 mm
0.00056 to 0.0014 in.
25.004 to 25.011 mm
0.98441 to 0.98468 in.
25.025 to 25.040 mm
0.98524 to 0.98582 in.
0.15 mm
0.0059 in.
–
–
Item Factory Specification Allowable Limit
KiSC issued 06, 2009 A

Nanni N4.40 Specifications

General

Brand	Nanni
Model	N4.40
Category	Engine
Language	English