Hpi Baja 5b issues

[YeahMate]

Hi guys,
Just bought a new 5B baja and straight from the box it doesn't seem to want move unless given full throttle. Not too sure if this is just how they are or there's a clutch issue?

 

[evssv]

u need to run in it first ?
and chk every single nut/ bolt ect before u run it?
can u do a short vid of it so we can see whats not happening ?
do the wheels turn freely??

 

[YeahMate]

u need to run in it first ?
and chk every single nut/ bolt ect before u run it?
can u do a short vid of it so we can see whats not happening ?
do the wheels turn freely??

I'll give it a bit more of a strap tomorrow morning and see if it helps but the wheels turn free, it seems like the clutch spring is too tight and is engaging very late, cheers

 

[1Coopgt]

The clutch engages at 8000 rpm. Did you break in the engine before giving it the strap as you say?

 

[Harold Bascom]

Hi guys,
Just bought a new 5B baja and straight from the box it doesn't seem to want move unless given full throttle. Not too sure if this is just how they are or there's a clutch issue?

I've experienced this before, and fixed it. You're running a 8000 rpm clutch. That means you HAVE to lean out the High Speed Needle in order for the clutch shoes to spin MUCH faster in order to engage the clutch bell with moderate throttle input. Turn the high speed needle to the right in small increments, then test to see if the buggy moves without a load of throttle.

In other words, you need to set the engine to run, naturally, at a higher speed. Leaning the engine out will do that, and your clutch will engage quickly without the need to go full throttle. I'm confident of this solution.

 

[DougStar]

That means you HAVE to lean out the High Speed Needle in order for the clutch shoes to spin MUCH faster in order to engage the clutch bell with moderate throttle input.

Do not do this!! Lean motor = more wear more heat =????= new motor!

 

[Harold Bascom]

Do not do this!! Lean motor = more wear more heat =????= new motor!

You CANNOT make a blanket statement like the above. He CAN lean his engine to that point when he sees little to no smoke and then turn the high speed needle counterclockwise until he starts to see smoke again. That will be the safe point.

 

[DougStar]

You CANNOT make a blanket statement like the above. He CAN lean his engine to that point when he sees little to no smoke and then turn the high speed needle counterclockwise until he starts to see smoke again. That will be the safe point.

If that's the case just leave it tuned??‍

 

[mark35]

Do not do this!! Lean motor = more wear more heat =????= new motor!

I lean/tune all my engines for max rpm an just rag the crap out of them?‍??

 

[DougStar]

I lean/tune all my engines for max rpm an just rag the crap out of them?‍??

My wallet is not that fat????

 

[Z.hb71]

My wallet is not that fat????

It's fun as hell when you got a crappy $100 rovan Engine that you don't care about and just ragg the poop out of em till it dies. Was Soo fun ??

 

[Harold Bascom]

If that's the case just leave it tuned??‍

The carburetor is not tuned. That's why he has to apply full throttle to make it move. I have owned a Zenoah G290 engine for the past 3 years and have leaned it out and backed the tuning down to ensure I see smoke. I haven't had to replace any of the internals, thus far.

 

[DougStar]

The carburetor is not tuned. That's why he has to apply full throttle to make it move. I have owned a Zenoah G290 engine for the past 3 years and have leaned it out and backed the tuning down to ensure I see smoke. I haven't had to replace any of the internals, thus far.

Rather than saying to a noob lean your car out ? ask the guy what carb he has? Find out what the high and low needle settings are and help him get the right tune?then his car will ru right? teach him the right way from the start

 

[Harold Bascom]

Rather than saying to a noob lean your car out ? ask the guy what carb he has? Find out what the high and low needle settings are and help him get the right tune?then his car will ru right? teach him the right way from the start

Isn't that what a forum like this is for? If you think someone like me left out a bit of information, then take up the slack: provide it. Isn't that how we all collaborate and learn and support? The time you take to berate me was the time to support me. Come on.

 

[Seandonato73]

Easy boys.... I'll ask.
What carb are you running and what are the needles set at?

 

[DougStar]

Easy boys..

Gotta roll with punches eh?????????

 

[Seandonato73]

Ah well you know......??

 

[Thrasher]

You CANNOT make a blanket statement like the above. He CAN lean his engine to that point when he sees little to no smoke and then turn the high speed needle counterclockwise until he starts to see smoke again. That will be the safe point.

That smoke trick is good. I never thought of that.

 

[cbaker65]

That's why I always say ,There is a fine line between tune & blown!....LOL