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**Aryan** · 05-27-2010, 10:25 PM

Query Approved.

**kurtrules** · 05-27-2010, 10:39 PM

It's time you get the cylinder kit+valves replaced!

**prashanth lobo** · 05-27-2010, 10:54 PM

^^Just curious because i own a gladiator myself.... What could cause such an early problem with cylinder kit and valves??

**jd666** · 05-27-2010, 10:58 PM

it cant be the cylinder kit etc. without investigating other possiblities.

-is your bike consuming engine oil??
- whats the condition of the oil? when was the last you got it changed?
- last time you replaced the air filter and spark plug?

- Check the clutch for slippage, slippage is that the engine will build up speed, but the bike will not move. check for that.
- Your only other issue seems to be a clogged carburettor which has not been set properly. Get it done by another mechanic.

Other things you can get checked is -

- Chain tension, and make sure its clean ( properly clean, not muddy brown clean ), if not, get it washed with kerosene, sprayed with water, then compressed air to remove water, and then lubricated

- Check brakes for grabbing, Both front and rear wheels should rotate freely when on stand and either is off the ground.

Report back

**kurtrules** · 05-27-2010, 11:00 PM

Nothing to do with early mishap. Mechanical stuff goes wrong at the unexpected times! Though, it is not a surety, but a thorough checkup of the machine Gladiator5S is recommend, from the ASS.

Normally the kit blows early due to improper running in.

**Gladiator55** · 05-28-2010, 01:33 PM

Originally posted by jd666 View Post

it cant be the cylinder kit etc. without investigating other possiblities.

-is your bike consuming engine oil??
- whats the condition of the oil? when was the last you got it changed?
- last time you replaced the air filter and spark plug?

- Check the clutch for slippage, slippage is that the engine will build up speed, but the bike will not move. check for that.
- Your only other issue seems to be a clogged carburettor which has not been set properly. Get it done by another mechanic.

Other things you can get checked is -

- Chain tension, and make sure its clean ( properly clean, not muddy brown clean ), if not, get it washed with kerosene, sprayed with water, then compressed air to remove water, and then lubricated

- Check brakes for grabbing, Both front and rear wheels should rotate freely when on stand and either is off the ground.

Report back

Hi

-I dont think there is engine oil problem as I change it at the time of each servicing (after 2000 to 2500 kms)

-I have just changed the spark plug 15 days ago, on request of mechanic. But we didnt get ngk spark plug, so we fitted champion spark plug. Mechanic told me tht its also very good company.

-Actually my borther had used my bike very roughly in initial period, so will it be the problem of clutch plates? But mechanic says we dont need to change clutch plates. I had discussed all these issue with him, but he says, it happens due to summer.

-Please let me know if there is good yamaha mechanic in pune, because I am not much happy with the service of current mechanic. But he is better than yamaha service center mechanics from where I bought my bike.

Thanks for your replies.

one more thing, I havent changed factory fitted air filter, do I need to change it?

**prashanth lobo** · 05-31-2010, 08:23 PM

Originally posted by Gladiator55 View Post

Hi

-I dont think there is engine oil problem as I change it at the time of each servicing (after 2000 to 2500 kms)

-I have just changed the spark plug 15 days ago, on request of mechanic. But we didnt get ngk spark plug, so we fitted champion spark plug. Mechanic told me tht its also very good company.

-Actually my borther had used my bike very roughly in initial period, so will it be the problem of clutch plates? But mechanic says we dont need to change clutch plates. I had discussed all these issue with him, but he says, it happens due to summer.

-Please let me know if there is good yamaha mechanic in pune, because I am not much happy with the service of current mechanic. But he is better than yamaha service center mechanics from where I bought my bike.

Thanks for your replies.

one more thing, I havent changed factory fitted air filter, do I need to change it?

Check the air filter first... Mine needed to be changed recently at around 21,000 km...

N is the spark plug of the same configuration?? Spark plug gap is around 0.6 to 0.7mm for the gladiator... I wound recommend getting the company recommended spark plug just to be sure... Should be easily available in Yamaha showrooms in pune...

**Gladiator55** · 06-14-2010, 01:45 PM

----My mechanic changed the pickup coil 1 week before, and there is slight difference in top speed. It goes upto 80km/hr now which was 70 to 75 max. Before jerks were appearing at speed of 60, now they appears at speed of 75 or 80km/hr. But jerks are there. pulling power is also not that great, no improvement in mileage, it is still 35 to 38 km/lit

--I am really tired of these problems now, so please help me to make me feel my bike like new one.

---Thanks

**JitenMistry** · 06-14-2010, 03:36 PM

Originally posted by Gladiator55 View Post

----My mechanic changed the pickup coil 1 week before, and there is slight difference in top speed. It goes upto 80km/hr now which was 70 to 75 max. Before jerks were appearing at speed of 60, now they appears at speed of 75 or 80km/hr. But jerks are there. pulling power is also not that great, no improvement in mileage, it is still 35 to 38 km/lit

--I am really tired of these problems now, so please help me to make me feel my bike like new one.

---Thanks

Where you did service your bike?? Which Yamaha service center?

**sriram_r** · 08-14-2010, 02:15 PM

Hi gladiator 55 is there any update on teh problems you were mentioning..sorry if i am asking it after a long time

**bbsrailfan** · 07-09-2012, 02:19 PM

Hi, I have a Gladiator RS 2008 make with 31000 on the odo and i am facing the same issue.

Engine Oil: Changed 500km back.
Air Filters: Cleaned 500kms back
Carburetor: Mech says he cleansed it, though I can't be too sure.
Clutch: Normal, no slippage
Exhaust: Normal, no white/black smoke
Chain Lubrication: OK, Done 500 kms back
Spark Plugs: Cleaned 1000 kms back
Brakes: No gripping/friction under normal circumstances.

I do the carb tuning myself, and right now it's set to 3.5 turns from the fully-closed position. As regarding the piston & Valve, it went for a major overhaul at 28000KMs and has been thru a decent run-in as well. However, the crankshaft makes a strange whistling/squealing noise (something like a rat/squirrel squeal) at idle to 2500 RPMs. I checked with my mech and he told it was nothign to worry about.

Can anybody help?

**shoeb2015** · 07-10-2012, 12:08 AM

Is your bike misfiring at high RPMs ?

To check for misfiring -
Put the bike on main stand.
Rev the bike upto 7~8k rpm and keep it at that RPM for 5 secs.
If you hear strange noise from engine and silencer/exhaust then your bike is misfiring.
If the bike jerks at a particular rpm/load band then it also indicates misfiring.

For misfiring,check ignition coil and cdi.

**Toxicbiker** · 07-10-2012, 12:19 AM

Have you checked the engine oil level??
at times it happens due to that...and may i faced the same problem when I had old fazer125....I had to change the pickup coil piston ring and clutch plates but it was after 35k kms....
in this case if u go with company recommended spark plugs and all you may get some result...

**dux** · 07-10-2012, 12:57 AM

front sprocket.

pls recheck all the points mentioned above posts. Then check front sprocket.

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