KymcoForum.com
General => General Discussion => Topic started by: patrick112390 on December 22, 2009, 01:32:00 AM
-
hey guys, im rather new to the bike world, but im interested in changing my quannons front sprocket. it runs about 6,500 at 50 mph and i feel like it needs to stretch the gears out a bit more. the stock front sprocket is 15t and rear is 42t. i was thinking of going to a 16 or 17t in the front but dont know where i could get one? anyone know if other sprockets would work?
-
The rear sprocket is generally easier to work with due to clearance issues, but in any event you can measure the ID of the front+ the number of notches, and shop for honda/ yamaha/ ktm ect... Doesn't have to be a Kymco sprocket as they are most likely sourced out from another supplier (prob. Honda). I have found the rear to be more "tunable" You could go anywhere from 5th gear wheelies to 120mph on the flats.
-
sorry for the long response, its been a while. well i talked to the guys where i bought it from (kawi) and they are hittin me back with what the come up with. he reccommended only going 1 tooth up on the front, or if they could find, 3 teeth down on the back. he said it should make a big difference either way. i would think the front sprocket would be easir to change. there is one cover and 2 bolts and it looks to slide off. after loosening the rear wheel of course....
-
It is easier, and cheaper! Try that first, and you may want to do both. There's always "a little more to be squeezed"
-
i thought you were recommending the rear, but yea, when you say ""the ID of the front+ the number of notches,""" what does that mean like the ID on the gear it says LEC8-15T
-
You will useally have more choices on the rear due to space limitations. That way you have a wider range of ratois to choose from. If they have a 1 tooth larger front it will slow down your top end , and increase your take off but not by much at either end. It is a start though. Try it and see if it is enough. Three down at the rear will add to that alot. maybe both together will give the wheelie popin forth gear. By ID i mean the Inside Diameter of the hole in the sprocket, and notches are the teeth inside that hold the position on the output shaft. Your front sprocket sounds like it is simply bolted on with no notches so you may be able to buy a sprocket that fits the shaft, and have the mounting holes drilled. If so Use Grade 8 bolts/ lock washers, and blue lock tight on the bolts. Of course I am jumping ahead a few steps, but the mods always start somewhere! Keep posting because someone else may be looking at the same situation you are. Billions of people/ millions of scooters/ couple dozen forums
-
yea mann thats how forums become efficient, by questions. now the dealer got back to me and said they have talked to someone at kymco and they will get back with them about possibly making one? but there is no sprocket on the shelves as of now 1/19/10. like the ninja im sure the aftermarket parts list will soaar, but as of now im not hopeful they will do anything about it. so i will go with option #2 try as you said and take that sprocket off and try and match it up/drilling holes for the bolts... its winter and FREEZING here so my determination to get this done fast is low....come summer time i will be searching high and low for one though ::)
-
Like they say "No time like the present" Post back when you get it sorted out! I'd like to see it work out for you.
-
so the hunt has begun..it became warm enough here to ride around and that pushed me over.... i grabbed the tools and ended up with a little geared sprocket in my hand. i need to figure out how to measure the ID on it so i can get on this project! :) here is a picture (the first?) ofhow the sprocket attatches to the output shaft....(http://img521.imageshack.us/img521/51/sprockethunt.jpg) (http://img521.imageshack.us/i/sprockethunt.jpg/)
-
As I see it you can use a dial indicater to measure the ID., or the OD on the shaft. Most good auto supply house's will cary them for a few dollars. ( you don't need anything Hi end) Since you will most likely not find anything w/ the same cut out pattern all the stress will be on the retaining bolts. You will have to replace them with grade 8 bolts, and lock washers. The stock bolts will shear right off. Option 2 would be finding a gear that matches the smaller diameter (inside the notches) and fileing the larger cut outs by hand. The search begins! Good luck!
-
ok i think i get it.. but do i have to worry about the thickness of the sprocket? or how far the space between each tooth is? or is a 16 tooth gear, a 16 tooth gear? i love learning about this! lol
-
Chain pitch is measured center to center of the pins and the width of the inner plates. For example a multi-speed bicycle chain is 1/2" X 1/8". It is 1/2" between and the cogs are 1/8". Also, make sure you really get grade 8 bolts! Most are actually stamped in the head 10.9, not 8. If it has an 8 on it, it is too soft! Others won't be labeled at all, just make sure they are 8's. I've made that mistake before! ;)
-
I believe yours is a #530 chain. It is pretty much standard issue for Asian brands. A call to your dealer will confirm tah for you. Good question tho!
-
yea i am trying to have all my bases covered. and i am a tech at a ford dealer so i know how to read bolts and know my stuff about fords/lift kits. but 2 wheels is nothing like it! ha . so you guys actually think the 2 little bolts could handle the power of my 150cc motor? lol even being grade 8, or a super bolt if i could find it ;)
-
The two bolts may hold, there is a lot of torque going to that rear cog though! That would be the easiest way to do it. You may want to try and see how it goes. Otherwise, taking a die grinder and a file and making the inner spline would be the strongest interface, but also be very time consuming to make. It may also be difficult to get it centered, but if you take your time it shouldn't be too much of an issue. The other option would be to make a new larger outer plate with four bolts. I would thing that may be the way to go!
-
so doing a quick ebay search i ordered a sprocket WHILE i look for one locally. lol it was only 8 bucks so no loss if it doesnt work. however, the output shaft diameter matches, and this one looks like the inner teeth are correct in relation to the bolts?? :D i do not know if its the right pitch but i guess we will find out lol http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=350321967817&ssPageName=STRK:MEWNX:IT (http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=350321967817&ssPageName=STRK:MEWNX:IT) if it works i will go back and buy ten of them ! lol
-
That looks like the right one. Hopefully it's as easy at that! ;)
-
That is just toooo easy. There is probably a box of Unicorns that gets shipped with it. Nice...
-
yea it would be wonderful, it doesnt say what chain pitch its for, and that its for quads but worth a try lol
-
i didnt have time to ride it in the day yet, (which is where i could really tell) but looking at my tach the rpms are down to 5200 rpms at 50 mph which is just fine for now. took 3 hours install ending up with perfect alignment, and chain tension. i had to file the inner teeth over for it to fit so i hope that didnt compromise the integrity of the sprocket. because if those teeth failed it would spin on the shaft, as the 2 bolts are only alignment bolts....i will report back when i ride in the day, let me know what yall think! ;D
-
Post a Pic>
-
you cant exactly see how the sprocket sits because it has the retainer with the two bolts over it, but if you really want i could take that off and slide the retainer off? here is how she looks overall :)
(http://img291.imageshack.us/img291/3681/quannon.jpg) (http://img291.imageshack.us/i/quannon.jpg/)
-
Looks sharp Bro! How did it feel w/ the new set-up?
-
well i will say that after putting over 100 miles on it with the new sprocket, i almost want a 17tooth :o ;D . this is my first real bike and i dont know how high up these things are supposed to rev normally. the tach kinda fluctuates but the general consensus is that i lowered my rpms by 500~ or so maybe a touch more..my redline starts at 8000 and i constantly cruise at 7000~ish just rolling with traffic... what do yall think?
-
So I got a 16 tooth sprocket from WRRP when I ordered my exhaust. Did yours fit without any clearance issues from the surrounding case?
-
So I got a 16 tooth sprocket from WRRP when I ordered my exhaust. Did yours fit without any clearance issues from the surrounding case?
yea man, i may pop the cover off tommorow and snap a pic for the heck of it, id really like to get a 17 tooth though if i could fit it... do you have the info to contact wrrp? i have almost 2500 miles on this 4 wheeler sprocket lool
-
Yea its weird, I didn't even order it, but it came with my stainless steel exhaust. I guess they felt that since I spent $300 on an exhaust, I deserved some freebies lol. There are many companies in Taiwan that offer performace parts for this bike, its just a matter of trying to find them and email them and trying to get them to send stuff to the US. BTW, I HIGHLY recommend getting an exhaust, it really opens up the engine and sounds great. It also weighs a fraction of what the original piece of crap steel exhaust weighs. I already ordered a Six Sigma jet kit off ebay for $40. I'm gonna squeeze as much power as I can out of this thing lol.
-
THE CHAIN SIZE IS A 428 AND I AM LOOKING FOR SPROCKETS NOW
-
Yea its weird, I didn't even order it, but it came with my stainless steel exhaust. I guess they felt that since I spent $300 on an exhaust, I deserved some freebies lol. There are many companies in Taiwan that offer performace parts for this bike, its just a matter of trying to find them and email them and trying to get them to send stuff to the US. BTW, I HIGHLY recommend getting an exhaust, it really opens up the engine and sounds great. It also weighs a fraction of what the original piece of crap steel exhaust weighs. I already ordered a Six Sigma jet kit off ebay for $40. I'm gonna squeeze as much power as I can out of this thing lol.
im sure you can get some more power out of it but i have come to understand this is a gas mileage bike and have no intention of messing with the intake/exhaust because then you have to jet it or youll run lean= bad, jetting=burn more gas=possible tuning issues.blah blah im keepin it stock! lol i have a 6000k hid in the drivers side from ddmtuning that is bright as sh**!!(i absolutly reccomend for safety) and the 16 tooth sprocket. the motor runs like a scared rabbit with no hicups whatsoever and dont want that to change. i would however like to stretch these gears out with some sprockets...i would have no complaints about this bike at all if it JUST had a 6th gear!! anyway, do you have the wrrp email? i cant get their site to even show up on google.
-
http://www.wrrp.com.tw/ (http://www.wrrp.com.tw/)
I'll let you know how the jet kit works. Since I just bought this bike to get into riding and go cruising, I'm not too concerned about fuel economy. As long as it burns less gas than my Dodge Magnum, I'm happy ;D
-
i hear ya dude 80 mpg is insane! have a mountaineer 5.0 on 9'' of lift and a supra, neither of which get over 12mpg loool these things are awesome
-
Btw, speaking of that hid kit from ddm, which you did you get? The dual one? So is it still a low beam and a running light? I'm thinking about ordering it since it's only like $45, and light output out of these things is not that great at night. Plus I like the look of a crisp hid light versus a standard halogen. Also, were you able to find a good place to hide the ballasts?
-
Btw, speaking of that hid kit from ddm, which you did you get? The dual one? So is it still a low beam and a running light? I'm thinking about ordering it since it's only like $45, and light output out of these things is not that great at night. Plus I like the look of a crisp hid light versus a standard halogen. Also, were you able to find a good place to hide the ballasts?
i only got one for the drivers headlight that stays on all the time. it is their single h7 55w slim ballast in 6000k color. you dont have to buy both if you go under motorcycle on their website. you can get 1 bulb and 1 ballast. i still have a halogen in the high beam (right side) since hids take 30 seconds or so to fully warm, and if i need to flash my highbeam, its an instant on. you also cant have both high and low beam on at this same time without holding the pass button so why have both? my ballast is mounted on the fork head and it barely clears the lock cylinder when turning. dont go any higher than 6000k either or it will be a sh** blue, light output will suffer, and more cop attention. also spring the extra 7.50 for the 55w vs 35w you wont regret it. i will take a pic tonight of my light to show you how sweet it looks.
-
Well I got the jet kit in last night. Definitely picks up quicker in the mid-range and keeps pulling until 10k in every gear, it was dark out when I got done so I didn't want to see what the max speed is, I'll try today. I replaced the pilot jet with a #40, and the main jet with a #117.5. Also shimmed the needle with a spacer. It also came with #122.5 and #127.5 main jets, just in case it was still lean, but it runs good. I dunno, might try the #122.5 later to see if it makes the upper range pull even faster ;D Right now I'm still trying to figure out this off idle bog that occurs when I slowly twist the throttle. The rpm's will bog down a little bit before the enrichment circuit is passed up and the jets kick in. No matter how much I mess with the fuel mixture screw it doesn't do anything. Maybe it's just because the weather is getting cold outside? I dunno. It just doesn't leave me confident at intersections feeling like the bike is gonna stall for a second.
-
Can someone please help with this sprocket change. I don't know where to look to buy a sprocket that will fit.
-
I read somewhere that Honda sprockets will work... (maybe I got that here)
-
ebay.co.uk they have them up to 17 teeth