1985 Honda CBX Logo
Posted on Jun 07, 2009

Timing for Honda TMX 155.

I don't have the manual for this bike. I've gapped the spark plug (new) using a hacksaw blade as a feeler gauge (don't have a set of feelers and to be frank don't know the correct gap either.) The bike starts and sounds good but takes a while and several kicks to get it to fire up. Am now wondering if the timing is correct? My main engine experience has been on conventional cars with very little on bikes. The bike was made in 1998 and I'm trying to help my son in law to get it running OK so he can work as a tricycle driver here in the Philippines.
Can you give me the information to set this up and the gap please? I do have an electrical meter which measures volts DC

Ignore the CBX and the year entered below I just entered those as your list did not have the TMX 155 model

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  • Posted on Apr 30, 2010
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I have twou TMX155 pero di naman masyadong nagiging problema ang Timing madali lang yan kung bago ang spark plug mo your not required to udjust it anymore kasi standard na po iyon, better chek the contactpoit kung sakto po sa kompresion stoke dapat po mga 15degrees po befor the top dedcenter compresion stroke nag start na po bumukas yung contact point, or 30 degrees befor top ded center dumidikit na po yung camlobe sa contactpoit arm yunpong camlobe yunpo yung nandun sa magneto na natatangal minsan yung may spring makikita nyo po yung isang side ng outside surface e mas mataas kesa dunsa kabila allways put the camlobe inline w/ the keyway po yung kunya yung parang half moon, pag ganon po ang alighnement ay walang problema, then balik po sa contact point timing kung tama din po yung timing, at nag luluko parin dapat po check nyo na yung ignition coil baka po damage na pag malamig pa ok pero po pag uminit na nagbabago napo yung delivery ng koryente so it should be replaced na, pag po ang TMX ay gamit na gamit sa tricycle after 6 years po ang advice kopo palitan po ang ignition coil, carburador at yung camlobe, para po maiwasan na palaging nagluluko kasi po wornout na po iyung mga pyesa, yung carburador pag 6 years na naka trycicle matakaw na po sa gasulina maski palitan pa ng karayum at dinarin po bumababa ang minor, yun naman pong camlobe ay masyado napng mababa kya mahirap na pong makuha yung accurate timing, yun namang ignition coil ay mahina na ang deliver ng koryente. ibang mechanick dinila inaadvice ito kasi ayaw nila gumastos ang costomer pero mas makakatipid kayo dito kesa pabalik balik sa mekaniko. yunpong makina as long na inaalagaan po ninyo sa langis dipo agad masisira yan at aslong na di anaabuso yung sobrang tulin sobrang bigat ng hatak aabot po yan ng 8 to 9 years bago mag overhoul. tnk's (ashley mercado)

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  • striker_069 Feb 19, 2011

    SIR TANONG KO LNG POH 9MONTH N ANG TMX 155 2010 MODEL KO AT NA TUNE UP NA RIN POH CYA PERO PARANG NAG BAGO ANG TUNOG NG MOTOR KO SA 4700KM NPOH ANG NATATAKBO NYA MAY DEPRENSIYA KAYA ANG MOTOR KOH!!! MEDYO HATAW DIN POH AKONG MAG PATAKBO OK LNG BA YON!!!

  • Anonymous Jul 24, 2012

    ano po b ramdam nyo s performance ng motor nyo ska ano 2nog un?

  • Anonymous Nov 08, 2012

    ano ang tunog ?

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  • Posted on Mar 16, 2012
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SIR tanong ko lang kung pano mag tune up? motor ko pho ay SUZUKI Rj kc pho nag iigay yung barbula parang typriter lagitik nya.da
ti wala.pi na tune up ko na wala nawala 1moht meron n uli.
tnong ko lang anong tamang sukat ng adcyas ng vave ng insos at exsos?

  • Anonymous Jul 24, 2012

    tdc mo po ung piston tapos tignan u ung malki ung gap ng rocker arm s valve bgo u iadjust gamit k ng feeler gauge gmit q kc 15 s intake 25 s exhaust

  • richard monticalvo Mar 10, 2015

    sir panu pba mg tune up ng 155cc kailangan pba itatapat sa T bago adjust yung valve nya anu pba clearance
    salamat po

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