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Exploded View

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Fig 1: Exploded View Of Mainshaft Assembly
G05458647Courtesy of AMERICAN HONDA MOTOR CO., INC.

Special Tools Required 

NOTE: Refer to the Exploded View (See Fig 1), as needed, during this procedure.
  1. Clean all parts in solvent, dry them, and apply manual transmission fluid (MTF) to all contact surfaces except the 3rd/4th and 5th/6th synchro hubs.
  2. Install the new angular ball bearing (A) using the 30 mm I.D. driver (B) and a press. Note the direction of installation.
    Fig 2: Installing Angular Ball Bearing
    G05458648Courtesy of AMERICAN HONDA MOTOR CO., INC.
  3. Install the needle bearing (A) and 3rd gear (B) on the mainshaft (C).
    Fig 3: Identifying Needle Bearing, 3rd Gear And Mainshaft
    G05458649Courtesy of AMERICAN HONDA MOTOR CO., INC.
  4. Install the double cone synchro assembly (A) by aligning the synchro cone fingers (B) with the holes in 3rd gear (C), then install the synchro spring (D).
    Fig 4: Identifying Double Cone Synchro Assembly, Synchro Cone Fingers, 3rd Gear And Synchro Spring
    G05458650Courtesy of AMERICAN HONDA MOTOR CO., INC.
  5. Install the 3rd/4th synchro hub (A) by aligning the outer synchro ring fingers (B) with the grooves in the 3rd/4th synchro hub (C).
    Fig 5: Identifying 3rd/4th Synchro Hub, Outer Synchro Ring Fingers And 3rd/4th Synchro Hub
    G05458651Courtesy of AMERICAN HONDA MOTOR CO., INC.
  6. Install the 3rd/4th synchro hub (A) using the 40 mm I.D. driver (B).
    Fig 6: Installing 3rd/4th Synchro Hub
    G05458652Courtesy of AMERICAN HONDA MOTOR CO., INC.
  7. Install the 3rd/4th synchro sleeve (A) by aligning the stops (B) with the 3rd/4th synchro sleeve and 3rd/4th synchro hub. After installing, check the operation of the 3rd/4th synchro hub set.
    Fig 7: Identifying 3rd/4th Synchro Sleeve
    G05458653Courtesy of AMERICAN HONDA MOTOR CO., INC.
  8. Install the synchro spring (A).
    Fig 8: Identifying Synchro Spring, Double Cone Synchro Assembly And 3rd/4th Synchro Hub
    G05458654Courtesy of AMERICAN HONDA MOTOR CO., INC.
  9. Install the double cone synchro assembly (B) by aligning the outer synchro ring fingers (C) with the grooves in 3rd/4th synchro hub (D).
  10. Install 4th gear (A) by aligning the synchro cone fingers (B) with the holes in 4th gear (C).
    Fig 9: Installing 4th Gear
    G05458655Courtesy of AMERICAN HONDA MOTOR CO., INC.
  11. Install the needle bearings, distance collar, 5th gear, synchro ring, and synchro spring.
  12. Install the 5th/6th synchro hub (A) by aligning the outer synchro ring fingers (B) with the grooves in 5th/6th synchro hub (C).
    Fig 10: Aligning Outer Synchro Ring Fingers With Grooves In 5th/6th Synchro Hub
    G05458656Courtesy of AMERICAN HONDA MOTOR CO., INC.
  13. Install the 5th/6th synchro hub (A) using the 40 mm I.D. driver (B).
    Fig 11: Installing 5th/6th Synchro Hub
    G05458657Courtesy of AMERICAN HONDA MOTOR CO., INC.
  14. Install the 5th/6th synchro sleeve.
    Fig 12: Identifying 5th/6th Synchro Sleeve
    G05458658Courtesy of AMERICAN HONDA MOTOR CO., INC.
  15. Install the synchro spring and synchro ring.
  16. Install the distance collar, needle bearing, and 6th gear.
  17. Install the new angular ball bearing (A) using the 40 mm I.D. driver (B). Note the direction of installation.
    Fig 13: Installing Angular Ball Bearing
    G05458659Courtesy of AMERICAN HONDA MOTOR CO., INC.
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