Rear shock absorber linkage maintenance mystery

4,551 views · Published 30 June 2018 · 15:48 · Indexed 22 September 2026

Channel: theoverengineer · 2018 · Autos & Vehicles

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Problem & my solution explained on a 2013 - 2018 Kawasaki Ninja ZX-6R, tools needed & torque specifications are also below.

55 mm long bolts (2) and 77 mm bolt (1) need 14mm wrench, 25 ft-lb.
114 mm bolts (2) need 17 mm wrench, 44 ft-lb.
Bolt heads are towards the exhaust system, on the high side when leaning parked on kickstand.
If exhaust pre-chamber is in your way, separate from header pipes and move out of the way. (Pre-chamber mounting bracket 30 ft-lb, muffler body mounting bolt 18 ft-lb)
Lubricate needle bearings and bolts to prevent corrosion with grease.

Rear shock mounting measurements:
(Bolts are out-of-round & tapering, wider at the head)
Old bolt 55 mm, dia 9.90 - 9.88 mm, sleeve hole 10.24 mm, clearance = 0.34 - 0.36 mm
New bolt 55 mm, dia 9.90 - 9.88 mm, sleeve hole 10.25mm, clearance = 0.35 - 0.37 mm
Old bolt, lower 114 mm, dia 11.92 - 11.90 mm, sleeve hole 12.09 - 12.07mm, clearance = 0.15 - 0.19 mm
Old bolt, upper 114 mm, dia 11.92 - 11.90 mm, sleeve hole 12.10 mm, clearance = 0.18 - 0.2 mm
New bolt 114 mm, dia 11.92 - 11.91mm, sleeve hole 12.10 - 12.09mm, clearance = 0.17 - 0.19 mm
Old bolt 77 mm, dia 9.92mm, sleeve hole 10.07mm, clearance = 0.15 mm

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