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Looking at getting new tires for my brat and need some input on choices. The bike is a 78 with mag wheels. Reason being is I had a rear blow out yesterday at 60, the tires that i currently have are 4 year old bridgestone trail wings. Needless to say both are being replaced after this incident...

I have a 1978 that i turned into a brat and I need a little input as far as jetting. Ive read the carb guide multiple times and carbs have been cleaned. Mods on the bike consist of uni pods and hughs speedster pipes with mini super trapps mufflers. Carbs are stock BS 38 heres a list of what ive...

Having a brain fart here guys, I have a pamco and a hhb pma, setting timing right now and when i roll on the throttle the timing mark i put on my stator goes towards the TDC mark on the sticker(tworads the rear of the bike). Is this correct, and if it is then what is the advance mark on the...

My 78 seems to have a float that has developed a small leak, that being said it looks like its time for some new ones. Where can i get genuine Mikuni floats, i think i have found them on boats.net and 650 central. Are mikesxs floats worth the green? Ive read a couple post across the interweb...

I figured it out, considered this thread dead

Well the time has come to try and start this thing. Its a 78 with hughs pma and pamco ignition set up for kick only. So far no go, my question is how many volts should i be getting out of the reg/rec per kick, i had a voltmeter on it set to DC connect to the outputs (green and red wire) and...

Iv got a set of BS38's with "E" bowls, i picked up m8x1 grease zerks and they are a no go, they thread in about 2 turns and thats it. What are you guys using to attach the tubing to these bowls that allows you to run the clear tube test? Also m8x1 is the correct thread right, through research...

Im goin to pick up some parts and pieces to service my carbs this week and need to know if there is (or what it is) a part # for the needle valves and seats. The carbs are Mikuni BS38 CV of a 1978. By part number i mean are the categorized like my main jets where the # is P/N N102/221(small...

My bike is a 1978 and is equipped with hughs pma, pamco, and sparx capcitor, im planning out the wiring and am having an issue with the aftermarket kill switch i have. The stock run/off switch is normally closed when the bike is runing and and is open when the bike is off. My aftermarket switch...

I am at the stage of wiring up my lil chopper, it has a hughs pma and pamco with a sparx capacitor. I plan on running a bar mounted kill switch, so do i need a key? Since theres no battery to drain i think i dont, but would the capacitor do any damage anywhere across the pamco or reg/rec if the...

I am installing my pamco on my 78 which i purchased with a boyer bradsen ignition. Anyway, i cant seem to get the grease labrynths out of the cam to install the new brass bushings for the advance rod. Heres my question could i install the pamco setup and leave the labrynths in? The motor only...

I just received my pamco ignition with high output coil from mikes and everything looks great, but i do have beef with the yellow plug wires. Is it possible to run 8mm 800 ohm wires with this setup, might sound like a dumb question, i only ask because there are some moroso plug wires laying...

I am about to install Hughs PMA kit and have a question, per hughs instructions on his website it says to find TDC before pulling the stock rotor by lining up the indicator with the mark on the flywheel. Should this be done at TDC of the compression stroke? And if so what cylinder (clutch side...

I have finally made it on to the ignition system of my bobber build and need some advice on choosing a pamco kit. End result will be pamco and hhb PMA kit, that is battery less and kickstart only. My bike is 78 so it was originally points but one of the previous owners swithed that out for a...

Well its time to get around to "building" the handle bars for my bike and im really not sure as to what throttle tube to go with. Obviously 7/8 single cable, but other than that what brands would you guys suggest, ive been eying up this one at dime city cycles, any body run it...

I picked up a 96-03 sporty tank which has the different rear mount than the earlier models, little metal loop that sits in the tunnel with the ears pushed towards the front. Who has used them and howd u mount the back of the tank? Ive got some ideas such as metal "straps" off the frame to bolt...

Ive got a sportster tank for my brat build, question is what series pingle are you guys running, im not sure as to which way the barb should be positioned. Im thinking either reward or straight down. Does either of those choices sound right? Also a pingle has a 5/16 barb, and my 78 with 38's has...

Well after scouring craigslist for a couple months i finally found a 1978 xs650 special, with 10,000 miles. Came with paper work to confirm carbs were rebuilt last year and has a boyer bransden blue box elctronic ignition. This is how it looked when i bought it last tuesday. Then after puttin...

Well i know this is only my second thread, and that my first was virtually the same question. I have been scoping the forums and trying to learn about these machines when i have the time. Anyways this bike just showed up on craigslist and is local, it looks good and seller seems to know what he...

Well as the title states, im new here and new to yamaha xs650's. A little background about my self, i always loved bikes and had a few different dirt bikes but now I want to move on to a road bike. My choices were either a cb or xs and i have found a xs650 somewhat locally. My plans are to build...