Chapter 4 Chassis - Yamaha JT1 Series Service Manual

CHASSIS·
Front Wheel
Chapter 4 Chassis
The Yamaha JT has been designed for versatd1ty and a combmation of uses This machine has been engineered
to have a minimum weight factor Yet with the reduction
in
weight. rig1d1ty. strength. and safety have beeri
incorporated m the design of the frame to provide an unexce!led machine
4· l Front
Wheel
The 15" front wheel 1s equi'pped standard with a 2,50-15" Trials Universal tire. This tire gives the rider assurance
of maximum performance and safety for both road riding and trail riding, The front wheel brake size
1s
110 mm x25
mm
(4 33
xo
98
m)
A
labyrinth seal 1s installed between the wheel hub and brake plate to
provide
a seal against
dust and water
.. 15
1 Hub
16
2 Spoke set
/ 12
3
R,m
~ / / I I
4 Front tire
Jl'<I~{
5 Tube
6 Rim band
7 Spacer
,,~
8 Bearing
9 Oil seal
/
10 Oil seal
/
11 Drive gear
12 Bearing
4
13 Brake shoe plate
14 Cam shaft
15 Brake shoe comp
16
Return spring
17 Cam shaft lever
18
Boll
19 Nu1
~
20 Spring washer
21
Plain washer
22 Wheel shaft
23 Wheel shaft collar
Fig 4-1-1
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