Timing Belt Replacement for 2001-2014 Honda BF/BFP8D-9.9D Outboards
Inspection
- Remove the engine cover.
- Remove the recoil starter.
- Check the timing belt for wear or damage. Replace the timing belt if it is worn or damaged.
- Check the timing belt and the related parts for oil and grease. If contaminated with oil or grease, clean the parts and replace the timing belt.
Replacement
- Remove the starter case B.
- Remove the three 6 x 10 mm flange bolts and starter pulley.
- Hold the flywheel using the commercially available flywheel holder and remove the flywheel nut.
- Set a commercially available flywheel puller to the flywheel securely avoiding the magnet sections and taking care not to damage the ring gear. Do not hit the flywheel with a hammer.
- Before removing the flywheel, turn the flywheel clock-wise until the No.1 cylinder is at top dead center of its compression stroke the #1 timing mark on the timing belt driven pulley aligns with the "T" mark on the cylinder head. Remove the flywheel and woodruff key.
- Remove the 6 x 14 mm flange bolt and harness set plate.
- Remove the 6 mm flange bolts and charge coil:
- 12A charge coil type:
two 6x52mm and 6x36mm flange bolts and charge coil. - 6A charge coil type:
two 6 x 52 mm flange bolts and charge coil
two 6 x 52 mm flange bolts and exciter coil. - Remove the timing belt from the timing belt driven pulley, then remove the timing belt from the timing belt drive pulley.
- Remove the spark plug caps and spark plugs.
- Make sure that the woodruff key on the crankshaft aligns with the center line of cylinder as shown. If necessary, turn the crankshaft using the crankshaft holder.
- Make sure that the #1 timing mark on the timing driven pulley aligns with the "T" mark on the cylinder head. If necessary align the mark by turning the driven pulley.
- Install a new timing belt on the timing belt drive pulley and then on the driven pulley taking care not to allow the alignment marks to come out of alignment.
- After installation, be sure that the alignment marks are in the proper alignment.
- Reinstall the stator coil, or charge coil and exciter coil.
- Route the charge coil and exciter coil wire(s) on the crankcase as shown and secure them with the harness set plate. Tighten the 6 x 14 mm flange bolt.
- Clean off oil or grease from the crankshaft and flywheel mating surfaces (tapered section). Make sure that there are no metal objects stuck to the magnets of the flywheel.
- Install the flywheel by aligning the woodruff key on the crankshaft with the key groove of the flywheel taking care not to damage the pick-up point of the ignition pulse generator.
- Apply oil to the thread and seating surface of the flywheel nut.
- Hold the flywheel using a commercially available flywheel holder and tighten the flywheel nut.
TORQUE: 88 Nm (9.0 kgf/m, 65 lbf/ft) - Install the starter pulley and tighten the three 6 x 10 mm flange bolts.
TORQUE: 11 Nm (1.1 kgf/m, 8lbf/ft) - Install the following removed parts in the reverse order of removal:
- starter case B.
- recoil starter.
- neutral start cable.
- left and right engine under covers.
- engine cover.
