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Hero Honda CBZ Classic

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  • Suhael
    replied
    Re: Hero Honda CBZ Classic

    Originally posted by Tush11 View Post
    Hello guys,i own a 2001 model blue cbz ,i have fully restored the bike,but now the problem rises,the pilot fuel screw has no effect turning in or out,the ideal doesnt change,and the plugs are sooty black,the stock pilot jet is #35,do i need a leaner pilot jet#33 may be 32,and the main jet is #102,the manual says#105,please help
    The models prior to 1998 had 105. To increase fuel efficiency its been changed to 102. Take the jet to spares shop and try finding a similar jet. It must be keihen carburetor. Star models had mikuni. Dont overtighten the jet. U may damage the threads.

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  • Tush11
    replied
    Re: Hero Honda CBZ Classic

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  • Tush11
    replied
    Re: Hero Honda CBZ Classic

    i have changed both front and rear tyres with zapper fs and zapper y,but the bike wobbles at low speed ,more when riding with a pilion.

    Leave a comment:


  • Tush11
    replied
    Re: Hero Honda CBZ Classic

    Hello guys,i own a 2001 model blue cbz ,i have fully restored the bike,but now the problem rises,the pilot fuel screw has no effect turning in or out,the ideal doesnt change,and the plugs are sooty black,the stock pilot jet is #35,do i need a leaner pilot jet#33 may be 32,and the main jet is #102,the manual says#105,please help

    Leave a comment:


  • Suhael
    replied
    Re: Hero Honda CBZ Classic

    Originally posted by rawat97 View Post
    Dont know what is happening,post is getting deleted when tried to edit anyways thanks..have you managed to calculate new compression ratio and any changes you noticed
    Haven't exactly measured but fells good in the higher rpms.

    Leave a comment:


  • rawat97
    replied
    Re: Hero Honda CBZ Classic

    Originally posted by Suhael View Post
    To increase compression u can either use a goetze piston with a slightly higher top or could resurface the base(bottom part sitting on the crankcase) of the cylinder portion to few mm's. But downside is that the timing chain tends to get looser and needs to be tensioned regularly and properly.
    Dont know what is happening,post is getting deleted when tried to edit anyways thanks..have you managed to calculate new compression ratio and any changes you noticed

    Leave a comment:


  • Suhael
    replied
    Re: Hero Honda CBZ Classic

    Originally posted by rawat97 View Post
    How you have increased compression ratio..please provide some details.thanks
    To increase compression u can either use a goetze piston with a slightly higher top or could resurface the base(bottom part sitting on the crankcase) of the cylinder portion to few mm's. But downside is that the timing chain tends to get looser and needs to be tensioned regularly and properly.

    Leave a comment:


  • rawat97
    replied
    Re: Hero Honda CBZ Classic

    Originally posted by Suhael View Post

    My 2003 super sprint
    recently replaced the tail piece and side panels to sai brand which is pretty gud compared to other aftermarket parts.

    i've also changed the following:

    1mm oversize piston
    increased compression ratio
    New camshaft
    New valves
    Head porting
    New timing chain
    New timing chain pads
    Custom exhaust pipe
    Aftermarket exhaust
    How you have increased compression ratio..please provide some details.thanks

    Leave a comment:


  • kb100
    replied
    Re: Hero Honda CBZ Classic

    Originally posted by motociclista.8 View Post
    Is the front wheel hub same for CBZ (disc brake) and old model Unicorn?
    depends on the model, you need one which accepts an adapter plate , the old cbz, splendor, passion ,ambition and achiever uses the front hub design with the adapter plate, any one of them will fit

    Leave a comment:


  • Bismaya
    replied
    Re: Hero Honda CBZ Classic

    Originally posted by motociclista.8 View Post
    Is the front wheel hub same for CBZ (disc brake) and old model Unicorn?
    AFAIK, yes the spoke models have the same wheels, plate and hub. Even the old Hero Honda Achiever uses the same wheels.

    Leave a comment:


  • motociclista.8
    replied
    Re: Hero Honda CBZ Classic

    Is the front wheel hub same for CBZ (disc brake) and old model Unicorn?

    Leave a comment:


  • neraz9079
    replied
    Re: Hero Honda CBZ Classic

    i have done i chain spocket modification..... in front i have use 15 t spocket... the engine oil i use is honda idemitshu 10w 30... my bike is super smooth... and most importantly i ride it daily.. inspite having other bike also....

    Leave a comment:


  • nirvaana
    replied
    Re: Hero Honda CBZ Classic

    60kmph at 4000rpm? Are you sure the meters are working fine? If I recall properly mine used to do that speed at around 5500rpm.

    Its absolutely fine to occasionally thrash the bike to the top speed though not so fine if you do on roads with speed limits :P

    Leave a comment:


  • neraz9079
    replied
    Re: Hero Honda CBZ Classic

    thanks.... bro

    Leave a comment:


  • ashishrsa
    replied
    Re: Hero Honda CBZ Classic

    Originally posted by neraz9079 View Post
    hi guys.... i have Hero Honda star 2005... which is 29500 km done... but doing these kms the only problem i have face is the air fuel mixture screw.. my bike is doing 60km/h at 4000 rpms at 5 gear... with out any special services.. is this doing well i havent done the top speed test becoz im scared.. at 6000 rpms its gets fast and goes above 90 km/h
    It's normal. No issues to worry. I am riding CBZ Star 70k km 7 thousands rpm and 90 km/hr. Its normal.

    Leave a comment:

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