Aero motor into Spree

xela_p2004 · Post by **xela_p2004** » Sun Feb 11, 2007 1:14 am

That looks nice, I never thought of that, Iam going to fabricate my own. Thanks.

xela_p2004 · Post by **xela_p2004** » Mon Feb 26, 2007 3:30 pm

Well I got the motor into the spree however the aero motor will not fire for some reason. I checked the spark, and it gots plenty, I checked the gas and it gets a lot. After turning over the motor with the starter the plug just gets soaked with gas. I tried spraying starting fluid, nothing. It wont even grab for a second even with the starter fluid. Just turns and turns. I pulled the head off and the piston is brand spanking new! Not one piece of carbon on it. What do you guys think is the problem? A bad rebuild? Reed valves? Oil in the crankcase? I did notice some in there, however I drained most of it if not all of it out.

MySpree · Post by **MySpree** » Mon Feb 26, 2007 5:46 pm

hmm try making sure the wiring is all perfect. i had that problem with my aero, i put a dio in it and it bouldering work, it got spark, gas, air everything but it wouldn't fire i looked at the wiring and i messed up. then it fired right up.

xela_p2004 · Post by **xela_p2004** » Mon Feb 26, 2007 6:34 pm

I got the same answer at the total ruckus website, I was told it was possibly a bad or loose ground however. I will look over my wiring again, I just figured if there was spark and fuel and air it should fire.

chevyguyjay · Post by **chevyguyjay** » Mon Feb 26, 2007 9:32 pm

im not sure on the elite80 engine, i know on a spree engine, the pick up coil has one wire OR two. if your electrical on the the spree only has the one wire...blue/yellow stripe and the 80 engine has two, you will have to ground the green wire in order to get the spark. take a peek and c what u find. maybe this info could help u.

Post by **noiseguy** » Tue Feb 27, 2007 9:50 am

xela_p2004 wrote:I got the same answer at the total ruckus website, I was told it was possibly a bad or loose ground however. I will look over my wiring again, I just figured if there was spark and fuel and air it should fire.

Yes, you should be getting combustion... you may want to check that the spark is firing when the piston is at TDC. Are you getting a blue spark or a red one? If it's red your plug needs to be replaced (I assume you have a new plug, not something that's been laying around.)

Did the motor run when you removed it from the Aero?

xela_p2004 · Post by **xela_p2004** » Tue Feb 27, 2007 5:03 pm

The spark looks blue, brand new plug. However I never saw the engine run before because I bought it off a auction. THe engine looks like it was rebuilt, because the piston is brand new, just by looking at it from top.

MySpree · Post by **MySpree** » Tue Feb 27, 2007 9:41 pm

thats when i would check the reed valves, i had a spree like that, the reed sea as bent wrong and i had to rebend it. also... today i learned how to do the hustle... SHWEET

Post by **noiseguy** » Tue Feb 27, 2007 10:01 pm

Have you checked compression? Try to start it with starter fluid.. if it pops over the carb is probably screwed up.

xela_p2004 · Post by **xela_p2004** » Tue Feb 27, 2007 11:32 pm

Like I mentioned in my post, starting fluid doesnt do anything. The engine just wont grab, even though theres gas and spark. My conclusion was compression, but the piston is bran new and the head looks bran new too. Is torqued down and all, I just dont get it. I decided maybe its the reeds or electical, but it has spark.

chevyguyjay · Post by **chevyguyjay** » Wed Feb 28, 2007 8:11 am

it has to be compression somewhere.

u might of broke a piston ring. oil seals might be leaking around the crank. heres a trick that works for me. take out your spark plug and put a little bit of your oil in there. this will bump your compression on your first start up. only other thing i can think of is buying a new plug.

xela_p2004 · Post by **xela_p2004** » Wed Feb 28, 2007 8:34 am

I dumped oil down the spark plug hole and tired to fire it nothing, I also rechecked the spark, the spark is a big fat blue one, looks like a very healthy spark to me. So before I go and take the entire engine apart can it be anything else thats easy to fix?

Post by **noiseguy** » Wed Feb 28, 2007 11:05 am

If you've verified compression, there's no need to pull the top end apart. You need to verify compression... new parts does not necessarily mean good compression!

Next to check is timing of the spark; is it hitting at TDC?

Reeds in place and in good condition?

Carb clean and set to stock specs?

xela_p2004 · Post by **xela_p2004** » Wed Feb 28, 2007 3:11 pm

I took the intake off to inspect the reeds. How big of a gap should there be for the reeds? Because both of my reeds gap is huge, I can stick a flat head screwdriver in there with out making contact with the reed huge. Is that normal?

MySpree · Post by **MySpree** » Wed Feb 28, 2007 3:44 pm

i had a good reed valve to go bye, i will take picks of my aeros reedvalves tonight, also you cant trust what it looks like, you need to test the compression.

Honda Spree and Elite 50 Forums

Aero motor into Spree

UPDATE AERO MOTOR INTO SPREE