Results 1–30 of 729
i got no idea why it is so slow um how are the lights and horn thay all work if i have a short it may slow ur bike downi had a puch with bad grounds and it barley ran i fixed then it was fine i rilly dont know tho good luck
it was 50 cc and i got no idea wher 2 get a carb im shur if it was rinning right ti would be much faster
yea my derbi and no ive done lots of chops seems finethe thing has no low end lol
oh and it has a stock head no kit
lol my puch can just about hit 50 with a 12mm carb ps dont belive me ask kevin i was at the ride.=\ but it has a lot more mods ....79 za50 magnummods: lots
get a brgger carb and lots of jets and put a straght pipe on it or make 1, there is somthing rong with urs cuz the 1 i had went 55 stock ps im 125 lbs
it is woth it thats what i did to mineps dont cut to short
But it was in the back of a truck.
Ok well I had my puch going like 80 no bs!
the fastest way to fix this is to drop in a B8HS in there you will run rich but that is fixable.
yep i got one and it is the coolest pipe ever +1it buought my speed from 36-38 to43-45 and it has a deep throty sound , buy the way harold did you get the carb yet?
the pyramid reed engine is the best that onley came on the bike in my file the RD50 the flat reed is next best and pistion port is ok this is based on expirence now if you put kits on that changes well maby the onley kit on my moters is an 80cc piston port and it is insainley fast.
well the carb is 12 mm stock bump that to a 15mm and get a less restrictive pipe or change the variator whets you will rev higher befor you shift . with thees mods my derbi hits 45-48 mph
yes i have onley seen one in person, mine look in profile. i have a pistion port and reed valve moter for sale but the reed valve is still on a bike.
the scooter guy stoped posting. (just to let you know. )P.S. this is sum funny crap
pyramid reed moters are the best of the three stock, people debate betwine pistion port and reed valvs tho I have an 80cc pistion port moter and it is the fastest thing i have ever seen.
it would ge a lot louder and you would probley lose lowend but gane like 1-2MPH.
i have all the same stuff and that carb sux! buy a bing!
no i do 1980 magnum2 15mm bing carb 20tooth front and 36tooth rear and a 1980 mofast preformance pipe 46.7 on my gps on flat ground.
this is my bike.70cc kit36 tooth rear sprocket15mm binghi flo filterbobed fendertank coverd in letherbiturboported and polishedmodified clucheswide bars
i want a kit for my derbi. and it has pyramid reeds.
no it rilly dose 32-34 on flat ground I was going to get a 80cc metra kit but i can just see the problems coming form a mile away somone told me that it is rilly hard to do is it worth the time???
I want to get my magnum kitted right now it only dos about 40 i have the need for speed!!