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Old 14th April 2004, 21:05   #1
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hey guys
my zen lost all its pickup esp wen AC is on ....... i got the decarbonizing done,carburator adjusted etc etc.............. it has chocked 96000+odd kms done. *it did not improve after all this.............. can any one give suggestions reg this
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ravi
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Old 15th April 2004, 02:09   #2
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Hi
i also use a zen, which has done 1,70,000.km.I had also faced such type of problem after 1lackm.The car could not idle the average had also fallen to8to9km on the highway.But after detecting the problem it was with the return valve in the carb.But after changing the part it gives 15to17km on the highway with ac on.So please check the carb of ur zen.
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Old 15th April 2004, 13:13   #3
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Ravi,

I dont know of the maintainence schedules that you have followed for your Zen, and therefore cant gauge if the engine is due for a piston/ring replacement. But do get a cylinder compression test done.

Else, it may be a carb setting thing.

GTO
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Old 15th April 2004, 19:24   #4
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hi all
thanks gto and santosh for ur sugestions. car was given to servicing regularly. oils were changed time to time. technical guys say that compression is weak and it is common. i complain abt millage and they say it will improve but it never did. it returns me 10 with ac. i got frustated n got it gas converted 1 month back........ it is working good and costing me 1.8 to 2Rs/km as compaired to 3.8/km........
i dont know how good was my decision, but with this iam not burnning my pocket as of now.....
plz suggest me with any options.
once again thanks
regards
ravi
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Old 16th April 2012, 15:39   #5
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Did you check the timing?
Has this appeared after doing a particular service or changing a particular part or did it just happen gradually?
The compression can also be lost because of bad piston rings.
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Old 16th April 2012, 16:05   #6
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This topic is 8 yrs old dude.
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