Beta Motorcycles X Trainer 300 2T 2015, Workshop Manual, Page: 3 / 117

ENGL
ISH
TABLE OF CONTENTS
3.2 chEck of coNNEctING Rod ANd cRANkshAft ................................................................................................................ 49
3.3 AssEMBLING of coMPLEtE cRANkshAft ............................................................................................................................ 50
3.4 GEARBox uNIt: coNtRoLs ANd REAssEMBLy ......................................................................................................................51
3.4.1 Gearbox unit check ....................................................................................................................................................................51
3.4.2 Primary unit assembly ................................................................................................................................................................52
3.4.3 Secondary unit assembly ...........................................................................................................................................................53
3.4.4 Check of forks, fork pins and desmodromic device ...............................................................................................................54
3.4.5 Assembly of gearbox and inner control ...................................................................................................................................56
3.5 cLosING of ENGINE cRANkcAsE ........................................................................................................................................... 59
3.6 ExtERNAL GEARshIft ............................................................................................................................................................... 60
3.6.1 Complete gearbox shaft check ..................................................................................................................................................60
3.6.2 External gearshift unit .................................................................................................................................................................62
3.7 kIck stARtER dEvIcE (kIck stARtER)(oPtIoNAL) .............................................................................................................. 62
3.7.1 Kickstart shaft unit check and assembly ..................................................................................................................................62
3.7.2 Assembly of kickstart device (kick starter) ..............................................................................................................................64
3.8 MAIN GEAR ANd cLutch uNIt ................................................................................................................................................ 66
3.8.1 Primary gear check .....................................................................................................................................................................66
3.8.2 Primary gear application ............................................................................................................................................................66
3.8.3 Check of clutch case, roller bearing and internal centre bearing ........................................................................................67
3.8.4 Clutch disc check .........................................................................................................................................................................68
3.8.5 Spring check ................................................................................................................................................................................69
3.8.6 Clutch drum check ......................................................................................................................................................................69
3.8.7 Thrust bearing device check ......................................................................................................................................................70
3.8.8 Clutch unit assembly ...................................................................................................................................................................70
3.9 cooLANt LIquId PuMP ANd cENtRIfuGAL uNIt ............................................................................................................... 72
3.9.1 Check of pump unit and disassembly, centrifugal unit and idler unit ................................................................................73
3.9.2 CENTRIFuGE uNIT GROuP ASSEmBLy ..................................................................................................................................74
3.9.3 PumP uNIT ASSEmBLy .............................................................................................................................................................77
3.9.4 ASSEmBLy OF COmPLETE CLuTCh COvER ANd PumP uNIT.............................................................................................77
3.10 ELEctRIc IGNItIoN uNIt ......................................................................................................................................................... 80
3.10.1 Bendix coupling checks .............................................................................................................................................................80
3.10.2 Ignition unit coupling to motor ................................................................................................................................................80
3.11 thERMAL uNIt ........................................................................................................................................................................... 82
3.11.1 Checking piston and elastic bands ...........................................................................................................................................82
3.11.2 Cylinder check .............................................................................................................................................................................83
3.11.3 Piston cylinder coupling play ....................................................................................................................................................84
3.11.4 Checks and exhaust valve unit disassembly ............................................................................................................................84
3.11.5 Exhaust valve unit assembly ......................................................................................................................................................86
3.11.6 Piston, pin bolt, elastic bands and cylinder assembly ..........................................................................................................88
3.11.7 Check of crankcase/cylinder gasket thickness ........................................................................................................................90
3.11.8 Cylinder head application ..........................................................................................................................................................91
3.11.9 Exhaust valve adjustment ...........................................................................................................................................................92
3.11.10 Cover plate application ..............................................................................................................................................................95
3.12 chEck of IGNItIoN systEM .................................................................................................................................................. 96
3.12.1 Check of ignition system ...........................................................................................................................................................96
3.12.2 Coupling of ignition system to crankcase ......................................................................................................................................96
3.13 chEck of INtAkE uNIt ANd AssEMBLy ................................................................................................................................ 99
3.14 INsERtIoN of cLutch Rod ANd PINIoN sPAcER ..............................................................................................................101
4 REAssEMBLy of ENGINE IN thE vEhIcLE ............................................................................................................................................ 102
tABLE of MotoR coMPoNENts fAstENING toRquEs ...................................................................................................................................110
tABLE of MotoR coMPoNENts fAstENING toRquEs ...................................................................................................................................111
tABLE of fRAME/MotoR fAstENING toRquEs ...............................................................................................................................................112
REcoMMENdEd LuBRIcANts ANd LIquIds ......................................................................................................................................................113
REcoMMENdEd MotoR MAINtENANcE .............................................................................................................................................................113