Friday, April 11, 2014

Steps For NC50 Honda Express 1978 Moped Performance Tuning

The steps For NC50 Honda Express 1978 Moped Performance Tuning are as follows:

  1. Clean and make sure everything stock is in order... then begin. (ie: clean the carb) 
  2. Make sure good new honda nc50 battery
  3. All new oils and gas. 
  4. (supa' cheap start) Honda Moped Muffler Modification 
  5. (got some $$$ then go straight to new pipe) : MLM Muffler Sidebleed Exhaust Pipe from (wait for sale :) 
  6. Upgrade your engine CCs : Honda DR 70cc racing kit from
    You should be around 33mph (at weight 165'ish lbs) 
  7. Premix and remove the honda express stock oil pump
    Note: 1978 nc50 has the oil mixing and going directly into the stock intake. You would need to cap off the stock intake. I have seen some people fill the old oil reservoir with pre-mix as well (run at least 50:1 mix, especially when kitted engine) and use a plastic fuel-rated "Y" connector with the main fuel line and get a little "extra" gasoline storage. 
  8. Replace your reeds with Boyesen Dual Stage Reeds from 
  9. Replace your honda express weak-ends custom nc50 intake 
  10. Upgrade your honda express carb to a Mikuni VM 20mm carburetor
  11. Tune the carb (I'm still working on this one). Get some Mikuni VM 20mm jets : Mikuni main jets from
  12. (be cool and measure metrics on your noped like speed, temp, tach, etc) : Get a TrailTech Vapor

I hope to have a full "How To" video setup in the coming months. So... subscribe to me :)

Wednesday, April 2, 2014

Rear Fender 1978 Honda Express Modification

Rear Fender Honda Express Moped NC50 1978 Modification. For those of you who have decided to upgrade your honda express muffler, but would like to keep your stock rear fender... this post is for you. Simply use a grinder, hacksaw, Drummel with metal disc, or something else equally effective.
Honda Express Fender Modification Closeup
You can see I cut one of the two honda express fender braces (the one on the right-hand side of the moped scooter). Using the stock bolt brace that connects to the air intake and the other rear brace that connects to the drive gear box on the left-hand side of the noped.
Left Side Honda Express NC50 1978 Fender Modification

NC50 Moped Fender Mod Full View

Honda Noped Fender Modification To Fix Upgrade Full View
 I would suggest using a locking washer or "lock tight" on the bolts to keep them from falling out. There will be a lot of vibration without the support that connects to the honda muffler.

Before 1978 Noped Honda Express Stock Fender/Muffler

Happy trails!

Tuesday, February 25, 2014

Motion Left Moped Honda NC50 Express Sidebleed exhaust pipe muffler

motion left mopeds honda express NC50 & NA50 people's side bleed pipe rightmotion left mopeds honda express NC50 & NA50 people's side bleed pipe top

Motion Left Moped Honda NC50 Express Sidebleed exhaust pipe muffler is here. This part is one of the few scooter parts I have left to complete my honda express moped "build". Still planning on LED headlight setup and perhaps some jets for my mikuni 20mm VM round slide carburetor (bolt on) for my 1978 honda express noped model nc50.

motion left mopeds honda express NC50 & NA50 people's side bleed pipe left
This is an amazing USA hand-made moped muffler that is excellently crafted. MLM honda muffler pipes are hand crafted with eighteen gauge steel metal and are welded using a TIG (tungsten inert gas). This honda moped muffler pipe is built to last with removable end-cap silencer and coated using a rugged 1,500 degree high temperature powder coat. The muffler exhaust flange is 1/4 in thickness and the rear muffler bracket is 3/16 in size with a 1 1/4 inch slot for mounting... no hassle here. Visit MLM muffler online.

You can find the MLM honda express NC50 & NA50 people's sidebleed pipe on the website. Current the muffer retails for $190 so buy it now before the prices goes up... or they sell out!!!

Do you need some more NC noped muffler references? Well, here are some similar moped constructions using the MLM honda express people's sidebleed pipe:

Stay tuned for more Honda Express NC50
modifications coming soon...

Tuesday, April 16, 2013

Proud Argentinian's 1981 NC50 Honda Express Ride

Check out this Argentinian's sick ride. He rides daily and loves!
Sick honda nc exhaust.
technigas exhaust
I'm trying to find out where he got it. Looks like it was a welded job, like this guy's noped:

Wednesday, June 15, 2011

Remove & Cap Plug Your Honda Express Scooter Stock Oil Pump

Honda express nc50 oil pump plug / cap how to video. This short video will take you through the process of removing your 1978 honda nc50 noped stock oil pump and plug it with a rubber stopper you can pickup at local Pep Boys for less than $3. It is way easier than custom making a cap that might not seal correctly. In the video I show you how to plug the stock pump because I am changing the original moped intake to a WEAK-ENDS honda express NC50 NA50 mikuni VM intake.

Let us know what other "how to" videos you would be interested in seeing. Taking requests now...