1. Remove seat as per Factory Service / Owners
Manual.
2. Remove the left side center splash guard by the
footpeg. Take precaution when removing plastic
push clips making sure not to damage them
during the removal process.
3. Remove left side cover as per Factory Service /
Owners Manual to gain access to the stock
exhaust system.
4. Remove the O2 sensor from the stock muffler
assembly.
5. Remove the stock header heatshield by
removing the hose clamps securing heatshield
to header.
Note: The stock header heatshield and hose
clamps will be re-used with the Yoshimura
exhaust system.
6. Remove the header nuts.
7. While securely supporting the stock muffler
assembly, carefully remove muffler by sliding
muffler pins out toward the front of the vehicle.
Note: Exhaust port gasket will be re-used with
the Yoshimura exhaust system. Inspect
and replace if necessary.
8. Remove the top rear muffler rubber bushing
from the frame.
Note: The lower front muffler rubber bushing will
be used. Do not remove.
Removal
Installation
2. Install (No. 1)
32420-101,
Yoshimura header
using the stock header nuts. Do not torque at
this time.
3. Align header chassis mount to frame and secure
using (No. 13)
M10X60H,
10mm bolt, (No. 14)
10X30WSH,
10mm washer, and (No. 15)
10MMFNUT,
10mm nut. See assembly diagram
for proper orientation and order of hardware.
4. Install the stock O2 sensor into (No. 1)
32420-101,
Yoshimura header. Torque to factory
specification.
5. Install (No. 4)
Z1022,
rubber bushing into (No. 3)
39900-RS4BRKT,
muffler hanger bracket.
3
1. Install (No. 12)
ALS-050,
aluminum spacer into
the lower front muffler bushing as shown.
12
12
Frame
Stock Bushing
6. Install (No. 11)
ALS-051,
aluminum spacer into
frame and secure using (No. 5)
M8X60H,
bolt,
(No. 8)
8MMWASHERXL,
XL washer, (No. 9)
ALS-003,
aluminum spacer, and (No. 6)
8MMNUT,
flange nut as shown. Do not torque at
this time.
4
3
FRONT
5
8
Frame
11
3
9
6
7. Install (No. 4)
Z1022,
rubber bushing into muffler
bracket.
4
4