Camshaft. Cam Chain. And Cam Sprocket - Yamaha VMX12H Supplementary Service Manual

I NSPECTI O N AND REPAI R
3-27
C A M S H A F T , C A M
SPR O C K ET
C am shaft
1. I nspect :
l obes
Pi t t i ng/ Scr at ches/ Bl ue
Repl ace.
2. M easur e:
• Cam l obes
U se t he M i cr om et er .
O ut of speci f i cat i on
C am shaft/C ap C learance M easurem ent
1. I nst al l :
* C am shaf t
2. At t ach:
( VU- 33210)
O nt o cam shaf t .
For Exhaust
For I nt ake
3. At t ach:
* C am shaf t cap ( " l - 3" or " E- 3" )
4. I nst al l :
* C am shaf t caps ( ot her s)
5. Ti ght en:
* C am shaf t cap bol t s
Fi r st Ti ght en t he N os. 2, 4, and 1 cap bol t s i n
t hat or der , t hen t he N o. 3 cap bol t s; ot her w i se,
t he No. 3 caps m ay be dam aged or bent .
N O TE :
D o not t urn t he cam shaf t w hen m easuri ng
cl ear ance w i t h Pl ast i gauge® .
C H A IN ,
A N D C A M
di scol or at i on
R epl ace.