If you've also added exhaust, you will need to jet. This write up is focusing on a ruck that has a deleted airbox, and an exhaust. You'll see on the jetsrus.com website that there are many, many options to choose from. You should know at this point that your ruckus comes stock with a "35" Pilot Jet, and a "75" Main Jet.
Full Answer
What size jet do I need for my Ruckus?
Main jet - your Ruckus / Metropolitan comes with either a 72 or 75 main jet. Changes to the intake and exhaust will require some sort of minor increase in main jet size. Keep in mind the factors listed above will impact your main jet size.
What size jet for a ruck with a deleted airbox?
This write up is focusing on a ruck that has a deleted airbox, and an exhaust. You'll see on the jetsrus.com website that there are many, many options to choose from. You should know at this point that your ruckus comes stock with a "35" Pilot Jet, and a "75" Main Jet.
Do I need to jet a ruck with an exhaust?
If you've also added exhaust, you will need to jet. This write up is focusing on a ruck that has a deleted airbox, and an exhaust. You'll see on the jetsrus.com website that there are many, many options to choose from.
What size jet to go up to?
During my research I found that the most common (remember every ruck is different) jets to go up to is a 38/78 (with the mods mentioned above). So that's a 38 pilot, 78 main. I suggest when you order, you order a couple different ones. Some online shops offer "kits," but 99% of the time they are sold out.
How many main jets does a Ruckus have?
Main jet - your Ruckus / Metropolitan comes with either a 72 or 75 main jet.
What is a ruckus jetted for?
Altitude - your Ruckus / Metropolitan is basically jetted for sea level. If you are at high altitude you may need to lean out your main jet and/or adjust the idle mixture screw. Don't overlook the effect of altitude on jetting. Humidity - your Ruckus / Metropolitan is basically jetted for nice weather. If you are operating your scoot in ...
Why run extra lean or rich jetting?
A common mistake is to run extra lean or rich jetting because the engine is hitting the rev limit with the proper jetting. If you are tuning without a tach you are wasting your time. Choke - Keep in mind your choke may be on. When tuning keep in mind the auto choke enrichment is on at some degree for about 10 minutes.
Can you start an engine with a choke on?
Your engine should start but it will never run good with the choke on. Don't make the mistake of jetting during the ever changing period while the auto choke is running it's enrichment cycle. Fuel - Run quality fuel. You don't have to run high octane but just run good fuel.
Can you use richer jetting?
If you weigh less you may be able to get away with richer jetting. If you are heavy leaner jetting may be in order. In rare instances 230lb.+ riders may use richer jetting. Sorry no explaination on that one, maybe drive settings.
Can you lean a scoot in humid conditions?
If you are operating your scoot in a humid climate you will need to lean the mixture. This is also true near large bodies of water. Example: The Great Lakes or an inland bay. Rider weight - your Ruckus / Metropolitan is jetted for the average weight rider (170lbs).
What carb is on a Honda Ruckus?
The carb on your ruck is a Keihin Carb . The jets you want can be found under Honda Ruckus NPS50. You'll notice a lot of different options. The larger the number, the larger the jet. Remember your stock settings.....35/75.
What mix to start with for jets?
Once you have them out, put in your next step up for jets. If this is your first time, I highly recommend starting with a 38/78 mix. You may not have to go any further than that. But putting it all back together again and riding your ruck will tell the tale.
What does the yellow circle on a car filter mean?
The YELLOW circles are hoses and filters that need to be removed (the filters will be in place after you do your airbox delete). The hose runs from the engine to the PCV. Just unhook this at the PCV. The small filter goes where the bottom right circle is.
What is the bottom of a jet?
As the picture shows, the upper one is the "pilot jet" or "slow jet." The bottom one is the "main jet." Also shown in this picture are the coolant hoses. They are still attached in this picture for reference.
Where does the throttle cable come from on a ruck?
It comes from the left side of the ruck (as if you're sitting on it), loops around behind the carb, and hooks up on the right side of the carb. Grab your 12mm open end wrench and loosen the two nuts on the throttle cable. Just back them both completely off.
Do you need to jet if you deleted your airbox?
Let's just simplify by saying if you have deleted your airbox, you will need to jet. If you've also added exhaust, you will need to jet. This write up is focusing on a ruck that has a deleted airbox, and an exhaust. You'll see on the jetsrus.com website that there are many, many options to choose from.
What size MJ do you need for a TRS airbox?
We include a 38 SJ and 85 MJ on our TRS Airbox Delete Kits and on our TVR Intake a 38 SJ and 78 MJ and Shim should be used.
How to reattach coolant hoses?
Re-attach the coolant hoses (red boxes), the far side first, then the close side second. Re-attach the fuel line to the green box. You don’t need to close the clamps on these if you know you are going to be jetting again. If your all done, then close them up.
How to stop gas from coming out of a hose?
Yeah, do this next, otherwise gas gets everywhere. Pinch the hose when you pull it off, just to prevent gas from coming out. Again use a small flat head to wedge it off if it won’t budge.
How many bolts are in a floorboard?
Remove the 8 bolts holding the floorboard on, marked as listed. These are a 10mm socket.
Can you run a 38 SJ with a shim?
It often doesn’t work well with both a shim on the needle and running a larger SJ, as it will dry foul your plug (lots of unburnt carbon on the plug). It can be done, just be careful when running a large slow jet and main jet, or a larger slow jet and a shim on the needle. Again a 38 SJ should be all you need.
Is 78 MJ a good mod?
78 MJ should be all right. This mod doesn’t require a big jetting change, just play around with the main jet till you get the result desired.
Can you remove carbs from jets?
Well, you really don’t remove the carb, you just get rid of a whole bunch of the hoses attached to it so you can access the jets, the less work the better.
What size air filter does a carb use?
The air intake tube will use a 35mm air filter and directly on the carb uses a 40mm, please choose only between one of the two drop-down menus. Breather Filter - These are already checked off and are required to replace the air filter as there will be areas that need to be closed off.
What is a get air intake package?
The Honda Ruckus / Metropolitan GET Air Intake Package is the ultimate solution for getting rid of that bulky airbox and increasing your scooters performance. We all know that the stock GET motor isn't the fastest thing in the world but this kit will help open up the air restriction caused that hideous airbox. This kit includes all the necessary components to replace your air filter!
Do you need to replace a filter on a Breather?
Breather Filter - These are already checked off and are required to replace the air filter as there will be areas that need to be closed off. (See pictures above)