Valve Clearance (Cold) Intake: 0.19-0.24mm (0.0075-0.0094 in.)
Exhaust: 0.12-0.17mm (0.0047-0.0067 in.)
— Adjustment Method Shim under bucket
Compression Pressure 189 psi
Fuel Min 95 Research/90 Avg. Oct. Unleaded OK
Spark Plug NGK CR9E 1A9
— Gap 0.8-0.9mm (0.031-0.035 in.)
Ignition Timing — Idle 10.6° BTDC at 1,100 rpm
Idle Speed 1000 ± 50 rpm
Engine Oil SAE 10W40 API SE, SF or SG (or SH, SJ OR SL with JASO MA)
— w/Filter Change 4.0 liter (4.7 qt.)
— No Filter Change 4.0 liter (4.2 qt.)
— Level On center stand, wait 5 min., middle of window
Coolant 50% distilled water / 50% ethylene glycol base antifreeze
— Capacity 3.4 liter (3.6 US qt.)
— Level Level with radiator filler neck
I did search. I looked for what the manual said. That's what I get for trusting the manual. If you'll notice it says CR9E 1A9. The 1 should be an I for Iridium.
Gary, my 08 user's manual on page 168 show's it as an i, not a 1. I hate it when you can't be sure of that, however there is a 1 shown on the torque specs so that's how I differentiated it (by typeface).