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Inspecting The Balancer - Derbi GPR 125 Racing Workshop Manual

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Table of Contents
C
C
RANKSHAFT
S
1. Measure:
- Crankshaft lack of alignment
Outside that specified => Replace the crankshaft and/or
bearings.
N.B.
MEASURE CRANKSHAFT POOR ALIGNMENT BY SLOWLY
TURNING THE CRANKSHAFT ASSEMBLY.
Poor alignment limit:
0,03 mm
2. Measure:
- Connecting rod side clearance
Outside that specified => Replace the connecting rod big
end bearing, crankshaft elbow and/or the connecting rod.
Connecting rod side clearance:
0.20 – 0.70 mm
3. Measure:
- Crankshaft width
Outside that specified => Replace the crankshaft.
Crankshaft width:
57.90 ÷ 57.95 mm
I
I
NSPECTING THE BALANCER
NSPECTING THE BALANCER
1. Inspect:
- Balancer shaft
Wear/warping/damage => Replace.
59

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   Also See for Derbi GPR 125 Racing

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Gpr 125 racing

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