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Thread: CG 125 1997 model engine again showing problems

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    Angry CG 125 1997 model engine again showing problems

    Hello to All I'm new to this..
    Guys i bought 1997 CG 125 because my friend had one same model and i liked it alot.. so i bought one same model
    it had some issues in it connector rod was supposed to be replaced..
    so i replaced every thing by putting genuine Honda parts..
    CAM, Rod, Tappet plate, bearings, rocker arms etc was changed..
    after a month engine started noise i got it checked mechanic said CAM will be replaced..
    then after even replacing noise started after 2 days..then he said tappet plate is causing the noise..
    after even replacing the tappet plate 2nd time in 2 months.. it even sounded off..
    now they say that again connector rod and CAM will be replaced..
    any suggestions am tired off these ustaads mechanic

    By even replacing all of these items twice.. also genuine Honda parts were used..
    and in 2 months they all are in same state they were before.. Kindly help me..


  2. 25-02-2016, 04:14 PM

    PakWheeler

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    Sad to know. Very un-fortunate. Fact is that its very hard to find right (original) parts and the fellow who install these in your bike. Sometimes original parts are being ruined by 'So Called Ustaads' and it is asked to the customer to replace again & again...isn't it sad, waste of hard earned money and precious time...all resulting in ruining your dear BIKE...

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    what to do off these Ustaads.. tried different ustaads but didn't work out..

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    Part replacement is not always the solution.
    For example, you replace worn out parts but neglect the lubrication. You will end up wearing out same parts again and again.

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    borther sincere suggestion to you is that sale it out.... i also own cg right now and ybr125 .... once cg starts showing weakness you cant get it stable again especially the cam problem one is suppose to get it replaced every 2 3 months ... so buy a brand new cg if youare cg fan or else there is no use to buy second hand cg..... try some other bikes like GS150 or YBR125.... they good in almost every aspect as compare to cg

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    Quote Originally Posted by patrolvtc View Post
    borther sincere suggestion to you is that sale it out.... i also own cg right now and ybr125 .... once cg starts showing weakness you cant get it stable again especially the cam problem one is suppose to get it replaced every 2 3 months ... so buy a brand new cg if youare cg fan or else there is no use to buy second hand cg..... try some other bikes like GS150 or YBR125.... they good in almost every aspect as compare to cg
    The weak point of this engine Is that its cam gear need to be placed dead straight a lil play in cam can deshape it

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    Quote Originally Posted by sarfraz54 View Post
    Hello to All I'm new to this..
    Guys i bought 1997 CG 125 because my friend had one same model and i liked it alot.. so i bought one same model
    it had some issues in it connector rod was supposed to be replaced..
    so i replaced every thing by putting genuine Honda parts..
    CAM, Rod, Tappet plate, bearings, rocker arms etc was changed..
    after a month engine started noise i got it checked mechanic said CAM will be replaced..
    then after even replacing noise started after 2 days..then he said tappet plate is causing the noise..
    after even replacing the tappet plate 2nd time in 2 months.. it even sounded off..
    now they say that again connector rod and CAM will be replaced..
    any suggestions am tired off these ustaads mechanic

    By even replacing all of these items twice.. also genuine Honda parts were used..
    and in 2 months they all are in same state they were before.. Kindly help me..

    was the oil pump ever checked for wear? - were new O rings used on its install? Its vital they be installed without any sealant too.

    Did your mechanic ever check the lower rocker to pin clearance?
    ZRS - Zulfiqar Racing Systems ..... - professionals at work - at crackwheels.com

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    Quote Originally Posted by Xulfiqar View Post
    was the oil pump ever checked for wear? - were new O rings used on its install? Its vital they be installed without any sealant too.

    Did your mechanic ever check the lower rocker to pin clearance?
    My bike cam gear have started to show sign of being worn from last six months any tips to ensure that while replace can gear it sits dead straight

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    Quote Originally Posted by saboor73 View Post
    The weak point of this engine Is that its cam gear need to be placed dead straight a lil play in cam can deshape it
    Sale it bhai ... Jaan **** jai gee koi or bike buy ker lain


    Sent from my iPhone using PW Forums

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    Quote Originally Posted by Xulfiqar View Post
    was the oil pump ever checked for wear? - were new O rings used on its install? Its vital they be installed without any sealant too.

    Did your mechanic ever check the lower rocker to pin clearance?
    yes they were checked also used new O rings at every replacement..

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    Quote Originally Posted by patrolvtc View Post
    borther sincere suggestion to you is that sale it out.... i also own cg right now and ybr125 .... once cg starts showing weakness you cant get it stable again especially the cam problem one is suppose to get it replaced every 2 3 months ... so buy a brand new cg if youare cg fan or else there is no use to buy second hand cg..... try some other bikes like GS150 or YBR125.... they good in almost every aspect as compare to cg
    brother my friends cg was rebuild it had more Parts worn out than mine but even after 1.5 years of usage its engine is as silent as a new bike complete sound less engine thats the reason i bought a down model at first place..

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    Quote Originally Posted by saboor73 View Post
    My bike cam gear have started to show sign of being worn from last six months any tips to ensure that while replace can gear it sits dead straight
    you need a bore guage to check that, If its worn oval then you need a master machinist who has the alignment jig for this engine. Its not a simple tighten in chuck and rotate on spindle solution.
    ZRS - Zulfiqar Racing Systems ..... - professionals at work - at crackwheels.com

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    Quote Originally Posted by Xulfiqar View Post
    you need a bore guage to check that, If its worn oval then you need a master machinist who has the alignment jig for this engine. Its not a simple tighten in chuck and rotate on spindle solution.
    & where to find this Legendary mechanic
    because we need him.. Tired of Ustaaadz.. :/

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    Quote Originally Posted by sarfraz54 View Post
    & where to find this Legendary mechanic
    because we need him.. Tired of Ustaaadz.. :/

    bore gauge is a tool I expect any respectable mechanic or technician to own, one can even make a setup with dial gauge - I know the street mechanics wont even know what this is.

    About the master machinists - There were two that made the jig from a new engine casing - both behind the Radio Pakistan market. Gohar machine works or something like that, very small shop.

    Worst comes to worst - you can buy a new engine casing from Atlas Honda, it takes about 2 weeks time and they give you a new casing with your engine number stamped on it. - Its not cheap.

    was your rebuild done with measurements or was everything "haath ka andaaza"
    ZRS - Zulfiqar Racing Systems ..... - professionals at work - at crackwheels.com

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    yes haath ka andaaza.. other day i asked him about feeler guage for tappet setting.. he said bahot use kiyaa bakwaas hai andaaza theek rehta hai..
    also the address bro where is it Lahore Karachi Pindi?

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    Quote Originally Posted by sarfraz54 View Post
    yes haath ka andaaza.. other day i asked him about feeler guage for tappet setting.. he said bahot use kiyaa bakwaas hai andaaza theek rehta hai..
    also the address bro where is it Lahore Karachi Pindi?
    your mechanic is chalta phirta

    useless IMO. - find a better one.

    the address I posted above was for Karachi only.
    ZRS - Zulfiqar Racing Systems ..... - professionals at work - at crackwheels.com

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    i am from kpk and this is the 4th mechanic i've consulted.. all are "ustaaaadz"

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    As pointed out by Sir Xulfiqar, Oil pumps in CG 125 engines are often not properly checked by the mechanics. Replace the oil pump. Check valve guides for any free play and if the ring where valve sits has caved in. Find a good machine shop and get valve guides replaced if needed.

    New cam gears by Atlas are pretty useless. I have seen new cam gears making noises. If you need to change your cam again, use CRLF cam gear. CRLF wont last more than 10-12 months but cam gear noise will vanish for a few months.

    Next time you visit the mechanic, ask him to remove the tappet assembly and get the push rods out. Check push rods for wear and scratches.

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    Quote Originally Posted by Xulfiqar View Post
    you need a bore guage to check that, If its worn oval then you need a master machinist who has the alignment jig for this engine. Its not a simple tighten in chuck and rotate on spindle solution.
    Thanks for help sir

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    Quote Originally Posted by Xulfiqar View Post
    you need a bore guage to check that, If its worn oval then you need a master machinist who has the alignment jig for this engine. Its not a simple tighten in chuck and rotate on spindle solution.
    Ahl have changed push rod design of cg125 and started installing thinner pushrods which I think will get bend soon does bend push rod damage cam gear
    CG 125 1997 model engine again showing problems - YoyqNMk

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