QUOTE(blackpc @ Jun 7 2008, 01:19 PM)
then I guess better change the carburettor. I'm not sure about the price. If i'm not mistaken it's about rm800. Not sure laa..
Ignition system can also be a culprit. Maybe u want to visit any workshop with CO tuning machine, and ask them to check the contact point. If it's bad, get it changed and then tune the engine.
The usual culprits;
1. fouled spark plugs
2. clogged fuel filters
3. dirty air filters
If u have replaced the above but it's still jerky, then start looking elsewhere. If u said u have serviced the carburettor (take it out, clean inside out, changed main jet, blah blah blah) then maybe it's time to check the ignition.
I am not too sure what's the lifetime of a carburettor, better wait for some sifoos to give their comment. As per my experience, carburettor can last a lifetime with regular servicing and tuning.
1. fouled spark plugs: less likely cos i change during every serviceIgnition system can also be a culprit. Maybe u want to visit any workshop with CO tuning machine, and ask them to check the contact point. If it's bad, get it changed and then tune the engine.
The usual culprits;
1. fouled spark plugs
2. clogged fuel filters
3. dirty air filters
If u have replaced the above but it's still jerky, then start looking elsewhere. If u said u have serviced the carburettor (take it out, clean inside out, changed main jet, blah blah blah) then maybe it's time to check the ignition.
I am not too sure what's the lifetime of a carburettor, better wait for some sifoos to give their comment. As per my experience, carburettor can last a lifetime with regular servicing and tuning.
2. fuel filter: also not likely cos chaged already
3. dirty air filters: contribute a bit.cos last week i cleaned my knn and got a bit better
since carb is quite expensive, i think i'll check the ignition first.also i dont dare takeout the carb my self la.later cannot put back
Jun 7 2008, 08:37 PM

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