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Thread: Self Tunning - Khyber G-10 (Plugs, valve clearance, spark gap etc)

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    Default Self Tuning - Khyber G-10 (Plugs, valve clearance, spark gap etc)

    Salam

    dear members/experts

    I own a khyber 1996. Recently overhauled its engine completely at home by myself except the mechanist part. It has its first oil change at 1100Km yesterday and i am planning to tune it. I have following query for the learned members/experts

    Q.1. recommended spark plugs for khyber g-10 on CNG
    Q.2. Recommended spark plug gap?
    Q.3. Recommended tappet setting Hot/cold?
    Q.4. Running was on petrol with Caltex Havoline formula and now i have switched to CNG with Shell helix HX7 10-40W (synthetic) , is shell HX7 ok?

    What else should i do or check to get max output and efficiency from my g-10?

    regards


    after-note: In addition to the above queries, this thread also contains info on carburetor, AC, electrical, cooling system, brakes & gear issues related to khyber G-10.

    Special thanks to following experts :
    Xulfiqar, Fas133, Margallar, Ahsanzs, wasay_Ahmad, Xplorer, jz, Daniyal
    for their valuable contributions and last but not least
    I am greatful to Cracked for keeping this thread alive by
    raising all the queries/question.


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    Aslam-0-alikum! friends! i am a junoir member of this thread... i ask two queries 1t sr. # 2008 & 2015 at page no. 101 but no any brother replied me or guide me. is it fair

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    @gujartaj

    see attached figure for cable connections

    as for your 2nd qs i have no idea

    Self Tunning  Khyber G10 Plugs valve clearance spark gap etc -1368600

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    Brothers i have a query

    where does the Khyber distributor's vacuum controller pipe connect???

    if possible kindly show via picture

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    Quote Originally Posted by waqasahmed85 View Post
    One more thing Xulfiqar bhai

    when i asked about smoke from silencer

    you said "burnt oil - check your engine"

    even if its not in my case just for knowledge sake

    Does this mean that engine oil is dirty and change is over due or something else??

    burnt engine oil deposited in the exhaust.
    ZRS - Zulfiqar Racing Systems ..... - professionals at work - at crackwheels.com

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    Quote Originally Posted by gujartaj View Post
    Friends i faced a very strange situation while i opened my plugs of 89 khyber...all plugs are settelled with adaptor and centre adopter got free while tighten back...Any solution for it plz
    You mean such an adaptor
    Self Tunning - Khyber G-10 (Plugs, valve clearance, spark gap etc) - 2QSelf Tunning - Khyber G-10 (Plugs, valve clearance, spark gap etc) - 2Q

    or a simple round spacer nut to cover some of the threads???

    The pictures shows the adapter used to increase the thread diameter. some cars use narrow plugs.

    The simple spacer nut is used to cover some thread as some plugs have more thread.

    I will suggest you to use genuine size plugs. If you have slipped the thread in the head, you are in trouble.

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    Quote Originally Posted by gujartaj View Post
    Aslam-o-alikum! Friends today i disconnect all wires from distributor cap and also from spark plugs from my khyber 1989 model...no i have no idea how to re-fit these cables....can any one guide me how can i re-fit it
    Regards
    Connect the plug wires as shown in the pic. Cylinder 1 is farthest from distributor and no 3 is closest.
    Attached Images Attached Images  

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    Aoa Guys, need some info:

    1) About the wheel bearings. Its time to get them changed? There are so many brands that I've no Idea which one to go for? So what brand should I go for and what would be the cost?

    2) I've heard somewhere that the guard air/oil filter are not really good is that true? If yes which oil/air filters should I use?

    3) Khyber has been with us since 2001 I think and its fuel filter has never been changed. Currently I am getting 10.5 km/l. Again my question is which fuel filter to use? and what would be the cost?

    waiting for your replies,

    Regards

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    Koyo wheel bearings are good
    haters gonna hate, potatoes gonna potate

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    which bearing set? front or rear?
    ZRS - Zulfiqar Racing Systems ..... - professionals at work - at crackwheels.com

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    Quote Originally Posted by Xulfiqar View Post
    which bearing set? front or rear?
    Both.

    I went to the market yesterday and was quoted Rs 1200/- and Rs 1600/- for koyo both front and rear bearings. I forgot which tag was for the front and which one was for rear

    Quote Originally Posted by Deadly_Flame View Post

    2) I've heard somewhere that the guard air/oil filter are not really good is that true? If yes which oil/air filters should I use?

    3) Khyber has been with us since 2001 I think and its fuel filter has never been changed. Currently I am getting 10.5 km/l. Again my question is which fuel filter to use? and what would be the cost?
    Kindly answer the above 2 queries as well.

    Regards,

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    Guard filters are pretty good.

    Buy a fuel filter from a dealership, it is due for replacement, costs less than 500 from part shops, cant quote dealership price
    haters gonna hate, potatoes gonna potate

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    Quote Originally Posted by Deadly_Flame View Post
    Both.

    I went to the market yesterday and was quoted Rs 1200/- and Rs 1600/- for koyo both front and rear bearings. I forgot which tag was for the front and which one was for rear



    Kindly answer the above 2 queries as well.

    Regards,
    Get the bearing no. and buy genuine SKF bearings - they are very long life, make sure to buy the 2RS variety and remove one seal from each - such that both open sides end up inside. flush the grease and fill with Mobil XHP220 only part way.

    It will work for a very long time.

    If you dont want to go so deep to remove seals and buy proper grease - then install them as is - but make sure the part no. ends with 2RS - it means they are positive radial seal.
    ZRS - Zulfiqar Racing Systems ..... - professionals at work - at crackwheels.com

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    @margallar Thanks for the reply bro

    Quote Originally Posted by Xulfiqar View Post
    Get the bearing no. and buy genuine SKF bearings - they are very long life, make sure to buy the 2RS variety and remove one seal from each - such that both open sides end up inside. flush the grease and fill with Mobil XHP220 only part way.
    Thank you so much for the reply Xulfiqar bhai. Ok yeh jo bearing no hia yeh box k ooper ho ga you engraved on the bearing itself? Or part way wali baat mechanich ko kis tarha batani hai? That fill it up only halfway?

    And can you give me a rough idea about its price?

    Regards

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    Quote Originally Posted by Deadly_Flame View Post
    @margallar Thanks for the reply bro



    Thank you so much for the reply Xulfiqar bhai. Ok yeh jo bearing no hia yeh box k ooper ho ga you engraved on the bearing itself? Or part way wali baat mechanich ko kis tarha batani hai? That fill it up only halfway?

    And can you give me a rough idea about its price?

    Regards
    Buy mobil XHP220 grease and give it to your mechanic. Ask him to wash out the old grease and fill up the bearing 3/4th with fresh grease..
    I use nkn cvj boots and bearings, they are really nice!

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    Quote Originally Posted by Deadly_Flame View Post
    @margallar Thanks for the reply bro



    Thank you so much for the reply Xulfiqar bhai. Ok yeh jo bearing no hia yeh box k ooper ho ga you engraved on the bearing itself? Or part way wali baat mechanich ko kis tarha batani hai? That fill it up only halfway?

    And can you give me a rough idea about its price?

    Regards

    The bearing no. is on the box too. The radial seal (both side) bearings end with 2RS - metal shield end with Z and ZZ for both shields.

    Knock out one seal wash it out - load it up with grease - you will also have a spacer - coat it with grease and also coat the seal with grease seal with grease.

    This also applies to mehran.

    rear are easier but similar, they provide very long life if these steps are followed.
    ZRS - Zulfiqar Racing Systems ..... - professionals at work - at crackwheels.com

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    Aslam-o-alikum! Can Carburetor for Khyber G10 available in market...If yes then please place and price

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    Thank you @omarabdullah022 and @Xulfiqar bhai.

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    Dear Experts i have a prob

    my car is decreasing water on regular basis. After every two days of normal usage the radiator reservoir bottle level drops to half and i have to refill it.

    I have thermostat valve installed, using calcite coolant, fan is auto

    there is no leakage of coolant from any pipes or radiator

    Head gas kit is new and OK

    What could be the issue???

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    Quote Originally Posted by waqasahmed85 View Post
    Dear Experts i have a prob

    my car is decreasing water on regular basis. After every two days of normal usage the radiator reservoir bottle level drops to half and i have to refill it.

    I have thermostat valve installed, using calcite coolant, fan is auto

    there is no leakage of coolant from any pipes or radiator

    Head gas kit is new and OK

    What could be the issue???
    Radiator cap can be a culprit. Try to use the original Denso radiator cap.
    If the radiator cap is ok then there can be a small leak in the cooling system. The water evaporates when it falls on a hot metal surface and thus it is very difficult to catch that leak. The leak can be in the heater matrix which is installed behind the dash. Check if the carpet is damp.
    Also don't fill the reservoir bottle to the top. It will throw away the extra water. Fill it upto the marked level.
    "The more we sweat in peace, the less we bleed in war"

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    Quote Originally Posted by speedster_101 View Post
    Radiator cap can be a culprit. Try to use the original Denso radiator cap.
    If the radiator cap is ok then there can be a small leak in the cooling system. The water evaporates when it falls on a hot metal surface and thus it is very difficult to catch that leak. The leak can be in the heater matrix which is installed behind the dash. Check if the carpet is damp.
    Also don't fill the reservoir bottle to the top. It will throw away the extra water. Fill it upto the marked level.
    @speedster

    Eadiator cap is OK and i don't over fill, and there is no dampness on the carpet as well. This started happening when i had the t-stat valve installed (its a genuine t-stat and i also checked it in boiling water).

    can this be the reason that when engine is hot to the optimum level, more water is evaporated. When i didn't have t-stat installed the temp needle used to stay a little above "C" and now it stays in the middle of C & H.

    and i just noticed a typo error im using Caltex coolant not calcite

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