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Old 06-22-2012, 01:36 AM   #1
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Default RTR Nitro 3 Drift HPI Racing Help

Hi Guys,

I am after some advice on the HPI Racing RTR Nitro 3 Drift.

I bought the car around 1 year ago and now I am having the following issue.

1. When starting the car the wheels automatically start spinning.

I have checked the Clutch shoes and all is OK there.
I am a little confused on the idle adjustment screw.

Here is why:

1. Depending on how far i turn the Idle screw the Clutch bell will either turn the wheels or not turn the wheels. So when i adjust the Idle Screw and move the wheels while the car is off the clutch bell will not spin itself nor the wheels. Though if i over screw the idle screw and then turn the wheels i notice the clutch bells starts turning the wheels.

I then adjust it back so the idle screw makes the clutch bell not spin the wheels and then start the car and i notice that sometimes then the clutch bell engages the wheels and sometimes it doesn't.

I have also adjusted the Carbie so there is a 1mm opening.
I have checked for any air leaks in the fuel pipe and also fuel tank.

Can i get some advice?

Here is the Manual on the car:

Here is the overview:
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Old 06-22-2012, 03:23 AM   #2
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In the year you've had it, have you rebuilt the clutch? Everything can look good and still be worn out.

If not...

remove the bell, replace the bearings, shoes and springs and you'll definitely notice an improvement in performance. Clean out the bell with denatured alcohol while it's apart...
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