In Reverse Gear Position; Reverse Lockout Mechanism Function - Mazda RX-8 2004 Service Highlights

In Reverse Gear Position

INTERLOCK BLOCK
MAIN SHIFT
FORK SHAFT
5TH/REVERSE
SECTION A
SHIFT FORK
INTERLOCK
BLOCK
REVERSE SHIFT ARM HEAD
• When the shift lever is shifted into reverse gear, the main shift fork shaft moves leftward (see figure), which
moves the reverse shift arm head leftward. As a result, the fifth/reverse shift fork moves rightward through the
shift arm connected to the reverse shift arm head, thereby shifting the gear into reverse. At the same time, the
interlock blocks in sections A and C fix the shift forks in neutral position except for the fifth shift and reverse shift
arm heads. Also, shift fork shaft No.2, which is moved leftward by the reverse shift arm head, presses onto the
ball which is out of the ridge to fix shift fork shaft No.3, thereby preventing double engagement during reverse
shifting.
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REVERSE LOCKOUT MECHANISM FUNCTION

• The reverse lockout mechanism prevents mis-shifting into reverse gear when shifting from 5th gear to 6th gear.
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MANUAL TRANSMISSION [Y16M-D]
MAIN SHIFT FORK SHAFT
INTERLOCK BLOCK
SECTION A
SHIFT FORK
SHAFT No.2
SHIFT FORK
SHIFT ARM
SHAFT No.3
INTERLOCK BLOCK
SECTION C
BALL
SECTION B
SECTION C
INTERLOCK
BLOCK
05–11
6TH SHIFT FORK
CHU0511S114
CHU051101025S10
05–11–11