Crankshaft; Connecting Rods - Suzuki F6A Service Manual

CRANKSHAFT

The crankshaft is a 4–bearing type made of cast iron, and has reduced vibration and noise by providing balance or which
offset the No. 1 ranking No. 3 crank.
SPECIFICATIONS
Crankshaft Journal diameter (mm)
Pin diameter (mm)
Crank radius (mm)
Total length (mm)
Journal bear- Material: aluminum alloy
ings (back plate steel)
Center thickness: standard 2.0 mm
Thrust bearings Material: aluminum alloy
(back plate steel)
Center thickness: standard 2.5 mm

CONNECTING RODS

The connecting rod is made of cast iron for the 4–valve vehicles, and uses an H–shaped form. The larger end is divided
vertically and is connected with a special retainer bolt. Also, an oil jet is provided on the larger end, which lubricates
the small end, pistons, and cylinder wall face. Aluminum alloy construction is adopted for the connecting rod bearings.
Connecting rod bearing
SPECIFICATIONS
Connecting Large end part (mm)
rod
Small end part (mm)
Center gap
(mm)
Connecting Material: aluminum alloy
rod bearing (back plate steel)
Center thickness: stan-
dard 1.5 mm
48
U/S 2.125 mm
O/S 2.563 mm
Connecting rod
φ39 (φ39.000~φ39.018)
4–valve models: φ16 (φ16.003~φ16.011)
distance 109.8
Supply part (mm)
U/S 1.625 mm
Thrust bearings
Oil hole
Upper journal bearing
φ44 (φ43.982~φ44.000)
φ36 (φ35.982~φ36.000)
φ33
φ341
Supply Standard 1 type
part (mm) 1.986~1.990
Supply Standard 1 type
part (mm) 2.470 ~2.520
Oil jet
Standard 1
type
1.486~1.502
Lower journal bearing
U/S 1 type
2.105~2.115
O/S 1 type
2.533 ~2.583
4–valve model cap
U/S 1 type
1.605~1.615