EasyManuals Logo

Yamaha TMAX TECH MAX 2020 User Manual

Yamaha TMAX TECH MAX 2020
688 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #256 background imageLoading...
Page #256 background image
5-21
CYLINDER HEAD
EAS30276
REMOVING THE CYLINDER HEAD
1. Remove:
Cylinder head bolt
Cylinder head nut
TIP
Loosen the bolts and nuts in the proper se-
quence as shown.
Loosen each nut 1/2 of a turn at a time. After all
of the nuts are fully loosened, remove them.
EAS30277
CHECKING THE CYLINDER HEAD
1. Eliminate:
Combustion chamber carbon deposit
(with a rounded scraper)
TIP
Do not use a sharp instrument to avoid damag-
ing or scratching:
Spark plug bore thread
Valve seat
2. Check:
Cylinder head
Damage/scratches Replace.
Cylinder head water jacket
Mineral deposits/rust Eliminate.
3. Measure:
Cylinder head warpage
Out of specification Resurface the cylinder
head.
a. Place a straightedge “1” and a thickness
gauge “2” across the cylinder head.
b. Measure the warpage.
c. If the limit is exceeded, resurface the cylin-
der head as follows.
d. Place a 400–600 grit wet sandpaper on the
surface plate and resurface the cylinder
head using a figure-eight sanding pattern.
TIP
To ensure an even surface, rotate the cylinder
head several times.
EAS30282
INSTALLING THE CYLINDER HEAD
1. Install:
Dowel pin
Cylinder head gasket
2. Install:
Cylinder head
Washer
Cylinder head nut
Cylinder head bolt
TIP
Pass the timing chain through the timing chain
cavity.
Lubricate the cylinder head nuts and washers
with engine oil.
3. Tighten:
Cylinder head nut “1”–“6”
Cylinder head bolt “7”, “8”
Cylinder bolt “9”
Warpage limit
0.10 mm (0.0039 in)
4
2
2
3
7
5
4
8
6
1 2
G088954
Thickness gauge
90890-03268
Feeler gauge set
YU-26900-9
2
1
G088957
New
New
New

Table of Contents

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the Yamaha TMAX TECH MAX 2020 and is the answer not in the manual?

Yamaha TMAX TECH MAX 2020 Specifications

General IconGeneral
BrandYamaha
ModelTMAX TECH MAX 2020
CategoryMotorcycle
LanguageEnglish

Related product manuals