Honda Spree and Elite 50 Forums

Its backfiring from the exhaust

When my bike hit 50-60mph it back fires

Could it be my main jet or could it be my float in my carb.

What causes backfire anyway

When I hit around 50 - 60 MPH bike starts to back fire. Could that be my main jet?

1man8scoots wrote:How many base gaskets did you use.

2 aluminum base gaskets

you cant tune a bike correctly, without a tach and a temp gauge. If your not using a temp gauge, then you need to be doing plug chops. If you want to put effort into your bike and get it to run better, stop and get a tach, and temp gauge, otherwise your just going to be fighting it the entire way. ...

Pg long is a dud. It dies off at 9200 rpm, thats a fact. nobody can really say you will have a screamer in the top end, because we don't know the bore type. it could be a really nice taiwan kit, or an ebay special china kit that makes no power. its not ALL about CC, its about design. Im guessing yo...

Your right, the pg can get you there, but your not going to be anywhere near a scorp/arrow/sparrow. Not by a longshot. i think the trans sounds good, except I'd go stiffer on the contra I bet that pulley is opening up before he even takes off. do you know what your rpm's are at, at top speed? this ...

MrJumps wrote:What pipe? Maybe a smaller carb? Lighter rollers?

Pg long

No ports been done to the cylinder

What is dat barrel

Right now my set up is 47mm af27 bore 2ab mini stroke crank Pg long Lighten mag 6.5 and 7 gram weights Zx trans Malossi fly clutch Red malossi clutch spring 1000 rpm center spring 28 keihin carb Jets is 138 and 55 7 to 1 gears Bottom end is good but when it reaches the high end doesnt really pull an...

I wipe down my spark plug cord, then when it gets wet, it starts to bog.

Graphite9 whats wrong with windows?

Trying to figure out why my 89 pal bogs out when its raining.
Thanks in advance for any answer to solve this problem I have.

Does anyone know what type of bore this is???