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Post by czmdiver on Apr 8, 2016 10:34:21 GMT -6
I'm not perfectly clear on the Vendors description and choices. One kit includes a A-14 Cam and the other a A-9 ? The A-9 is the most popular. compared to the other choices its considered a top end cam. many choose based on the top number just to throw down the highest hp. there choice. its the down low and midrange rpm were most of ride the things all the time so I like Mine best there. That A-14 May work better with a stock bore combo or something. I kinda like the numbers on the A-11 myself.
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Post by czmdiver on Apr 8, 2016 9:23:29 GMT -6
Oh wow, all that for$199 us. Not a bad combination. Tuned correctly will get you all you want and probably more, reliably. I am familiar with that Pipe. it is a tru straight thru perf pipe. it came with a little optional baffle if you to run it. These Pipes are pretty Load.
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Post by czmdiver on Apr 8, 2016 5:55:35 GMT -6
shop.martinmopeds.com/Big-Bore-Kits_c50.htmI just jumped over and looked at this product. the first two kits include the supposed high perf head. dmn those are cheap prices. $74.99 us + a cam, jets, oil, dirty hands and your down the road.
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Post by czmdiver on Apr 8, 2016 5:47:33 GMT -6
Welcome Paulo Those pages came up "not found" to me right now so I couldn't see the specific product. Im not familiar with how hard or were you can best obtain product shipped to Belgium. Since your just getting started but ya got a brain the simpler the better for a success full assembly. Choosing the correct Combination of hot rod parts is the key. I will suggest sticking with a Non Case Bore Bolt on BB Cylinder. to reap the benefits of the Larger displacement I would recommend a matching bore size larger valve cylinder head. And to reap the hot rod head benefits Choose a Cam that matches closer to at what rpm you want to make the most power. Your Stock carb will be fine. keep it simple. Here are some Cam choices. Shell be making mo snots so you can go ahead and drop the gear, will gain some top mph while dropping rpm at that speed. Take you time, ask allot of questions, post up some pics Good Luck
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Post by czmdiver on Apr 7, 2016 18:01:44 GMT -6
Here is Close to Ideal Dome Color to try to achieve. Pretty cool you can see the Intake Charge come in from the Transfer Ports on the Sides and the Flame travel out the Exhaust side at Top of Photo.
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Post by czmdiver on Apr 7, 2016 17:44:26 GMT -6
I didn't figure on a novel to reject me asking for help but I did expect it. I will leave it at that and not embarrass you , many were born at night but not last night. Alleyoop Reject you? what are we your subjects or something? Why are you asking me for help when Im already doing it? are you reading the thread? chime on in, don't be shy. Embarrass me, whats with having to shame, embarrass or in general put someone down and call names over scooters? jeez We covered the credential thing like Three years ago. C'mon dude your too old, its over, let go. Peddle Faster, Mo Power Those are Banjo's you Hear
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Post by czmdiver on Apr 7, 2016 8:39:13 GMT -6
I am in Aus so we are on different time frames so that is why it takes a while to respond. I feel bad that people are arguing like this on my thread.
My BBK seizure happened about three years ago so I will go on what I remember. It was on full premix, the oil pump was disconnected. It seized on my first tank of fuel. I remember being conservative with my oil mix so I think it was 40:1 but could have even been 30:1. I was using 98 octane fuel and full synthetic oil (I think it was Motul) I had done a couple of plug chops and the plug seemed a fine tan colour, no indication of what was to come. I don't have the piston any more but here are pics of the barrel.
I had a #90 main in, standard air cleaner without snorkel and was on full throttle when it went. I remember Scootercraft not sending the piston they said they would in the kit I ordered (they sent a Anthea piston with a Stage 6 barrel). I remember as I installed it had very little slack between piston and bore. This one locked up solid so the kick starter wouldn't budge.
Hey m-8 Don't worry bout Ally and me its a most of the time deal if I chime in. if ya want just pm me and ill try to no bs help. Thanks for the pics, helps me allot. Ok most likely (it is) the Seizure started at the right corner of the Exhaust port, the Hot, side of a two stroke piston. once the metal goes liquid it will push the piston to seize in the opposite direction. It really looks like a lean condition more than anything else. These small cc two smokers really like to eat a Crank Seal, Suck air and go lean in a big hurry. If I have hard or weird time jetting one I go right to the Crank seal and put one in. Here is a custom Itialian Cast piston with almost the same seizure only on the opposite corner of the Exhaust Port. Same deal as yours Here is opposite corner (intake side). On the pre-mix, Motul is fine just pick a recommended ratio, stick with it and jet off it. On you clearance concern, They can run that Athena casting pretty darn tight. Athena and Vertex out of Italy mfg very high end castings and are known for there low expansion properties. Conservatively your going to be under .002 piston to wall. With a good fitted cylinder I could run that at .0008 and I have done it.
Thats a 67.4mm bore to boot, So many good luck, hang out, post up your results with lottsa pics.
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Post by czmdiver on Apr 6, 2016 20:25:27 GMT -6
Yep, I do know who you are and what you did But why post all that technical detail that is just bragging which pisses me to no end and by the way anyone can get off the net. What I hate is people coming on with that kind of stuff which on here is just a waste of time and tells me one big thing "JUST A BLOW HARD" which probably can't adjust a damn HOLLEY. IF YOU ARE AS GOOD AS YOU SAY YOU ARE, I could use some help posting advice and or fixs for some of the folks that are asking for help. Some come on and post that they are ASE CERTIFIED or were CERTIFIED MECHANICS since they were 20 or so then they say this is their first scooter and the 1 CYLINDER 4 BANGER they do not understand or never have worked on one!! I keep my mouth shut and let that go knowing damn well they know squat and do not want to be seen as not knowing anything and not mechanically inclined. They should just come right out and say I am not that mechanically inclined and need some help. Their is nothing to be ashamed about not knowing something but if you do not ask you will never learn. We all asks questions and that is how we all learn, asking questions and maybe getting your hands dirty and doing it or at least trying one learns very quickly. BIG AL THE KIDDIES PAL Alleyoop Dmn dude all these Capital Letters, yelling and Erks you to Know end all passed off. jeez. This guy asked a question regarding his Cylinder composition and not you or anyone else answered him, So I did, its a area that I have allot of Professional experience in. and you know it, I made a analogy in comparisons to Iron Cooking tools, Is that too technical? I answer his second question regarding pre-mix, You and know else answer that one either. Was that too technical? I answered his questions, why is that a problem with you? All what technical stuff? I addressed his third issue with a illustration of properly measuring his piston to wall. I had some proper pics of that, another problem huh? maybe heel go down to Harbor freight and pick up a pair of digi calipers for $6.99 and learn now to use them. $6.99 too much? why is that a waste of time? oh you don't have to do all that. He thinks he has a issue, so maybe check the dar thing, i don't give a dmn about all the junk bolted together out of the box. thats the "I've been doing it for 20 years this way" ya you've been doing it wrong. Guess what, all piston companies in the sates and europe provide instructions on properly prepping the cylinder, honing, ring gaps,piston clearance, per instruction's, this cheap Chinese junk comes with nothing. and no guarantor or warranty of any material or matching issue, nice business Maybe you have a financial interest in this so you hate people like me exposing the junk thats sold to these poor saps who don't have the dmn money to fix it right the first time. I couldn't do, It was my face at the show and I can look someone in the eye and be confident and proud of a quality product. So you can also get all your info you post on the net too, you've posted the same snit a few thousand times, he asked I answered. heck this board is filled with a plethera of videos and tutorials, all one has do do is look, but We don't mind answereing the same question all year. If you met me the last thing you would say about me is that I'm some type of Braggart. And back to name calling "blowhard" nice, admin, mod over here huh? I actually enjoyed being called out on my scoot pics. I figured all along you didn't believe I really had one, dang huh? So I got some toys, thats a problem too huh? You don't need my dmn help with instructing how to adj valves and carbs a few hundred times a year. I stay away, I see too many chime in and do nothing but confuse the poster and head him down a wrong path. Im a engine guy, I really enjoy it and helping others. ASE greasemonkey whatever, the last one told me recently he can slap a turbo on a ol stock 305sbc and turn it 11,500 all day, HuH? a cast rotating assy with a timing chain and stud mounted rockers, who does he think he's fooling? Im dmn proud to be part of programs that manufactures winners. I t took allot of work and dues to get there, Hippy teachers said I wouldn't about to anything. Wrong. I think Ill brag now, mite as well. Pretty cool being paid to drive race cars and bikes, fly private, hot babes Manufacturing winners
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Post by czmdiver on Apr 6, 2016 8:32:39 GMT -6
"He just happened to be to eager and ran the sucker without a pipe and lean. " Alleyoop What actually happened is I was able to test start the bike when it was a 50cc without the pipe. Nothing more and I didn't ride it like that. I only ran it for 3 to 5 seconds. It didn't seize at that stage. I got a BBK kit from Scootercraft with a Stage 6 aluminium cylinder but they sent me an Athena piston with it that appeared (and ultimately was) too tight for the bore. Me, trusting they knew what they were doing fitted it all, did the squish, put a #90 main in it with a Technigas pipe and ran it on premix and it seized. My new carb has arrived and it has the tinniest oil feed hole and vacuum feed hole both only detectable by using compressed air. The finest piece of wire won't go through it. I am waiting for my BBK to arrive now.
Can you post some pics of the Seized Piston? Athena is a quality brand. I have extensive experience in analyzing Two Stroke Piston failures. On the Pre-mix what ratio and what brand of Oil? Was the premix in addition to the Oil Pump? Id like to help so you don't have the same problem again.
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Post by czmdiver on Apr 6, 2016 8:26:15 GMT -6
Nice there Lantern.
I still need to dig out a box of old Lantern globes I have.
Nice to see KZ around also.
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Post by czmdiver on Apr 5, 2016 15:23:16 GMT -6
BAN you for what, your Opinions!!! Anyone can disagree with anyone, but you have to know your audience and not come on with over the top stuff that nobody gives a crap about. I am VERY MECHANICALLY INCLINDED and can go against the best, I can also spot a WANNABEE from a mile away. I notice and know WHO GIVES GOOD ADVICE TO ACTUALLY HELP FIX A PROBLEM and who just puts out B.S because they really do not know. Sometimes I have to post to correct the bad info in a way that does not offend the poster of the bad advice and or bad info. I do that so the One looking for advice on what to do does not take the bad advice and info and make things worse. To give good advice one needs to know each system and what each part in each system does to properly diagnose the problem. Also for each their are some tests that can be done to find the problem child and not waste their money buying parts that are not the problem. Just so you are up with this stuff HUNDREDS and I mean hundreds if not thousands on here and ITSTHERIDE have bought and slapped in the BBKSt no special tools no measurements, just take the old crap off and slap in the BBKs. Button them up adjust for more fuel and away they go. Most are not very mechanically inclined and some IMO never had a screwdriver in their hands(HAHAHA). So just remember when giving advice, they are on here because they just want to get their crap running and do not really care for any advice that requires special tools and or precise measurements. They are not racing on the track for big bucks and by the way they do not have big bucks. So advice given think cheap easy and fast. Alleyoop Il back peddle. I'm just busting your chops. I did not disagree with you as if you do not know what your looking at, I know you are them Man over here with the Best illustrations and directions to help this market get there scoots going BAR NONE! I am aware of your life long past of hot rodding and was it a Firebird you used to drag race? all cool I agree I see horrible parroting advice given and they have a owner with no experience tearing his engine apart when all he needed to do was adjust the valves or had a vacuum leak to fix. I am very aware with what type of market Im dealing with and there skill level. Yes I have seen tons of these bbk builds and see many under-performing or far below expectations. I suppose thats were i get a little over the top with some technical details to look at. they don't have to read it or care but maybe just learn something and take there next build to the next level. if not , fine its there scoot. I can also spot a Phony a mile away, I hope we are not going down that road again of "Im a Snit Talker who Doesn't Know Snit" thats why I like to post Lots of Pictures. I can say I have a very good reputation in the Motorsports industry and would not have lasted as long as I have and worked with some of the best talking wannabe snit. hers some Free HP. No fancy measurement equipment just a Dope scale from the local Head shop.HAHAHA I think you know who I am or was anyhow.nhahaha
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Post by czmdiver on Apr 5, 2016 11:50:34 GMT -6
No need to go through all that, these are not race engines that have to be precise and that get re-built after ever short run. All that is needed is not run them lean after installing them. He just happened to be to eager and ran the sucker without a pipe and lean. Happens to many of them because they did not come on a forum and ask some questions. By the way CZMDIVER what are you riding put a picture of your ride we like to see what everyone is riding. Alleyoop ya know, I rethought this and I need to disagree, cuz thats what we do. just funin don't ban me. I'm finding Little if any of the current product usable out of the box. Il point out a few things. Here is the very popular 61mm No case Bore NCY cylinder on the left. Perfect Circle Off- Center. Junk. Here is the popular 61mm NCY piston to with that cylinder, supposed to be clearance for a stroker, Oh ok, They Cut the Skirt off with a Cut off Saw instead of properly millling a scallop, Unreal, Unusable Junk.
Here is a proper skirt design properly clearance for this 2.2mm stroker. Here is the High End Taida 61mm supposed forging. ok They Forgot to Drill the Pin oilers. Nice tuff snit no warranty no guarantee nada. The left put a machining process and tuff stuff The Fake stuff. Big Valve heads right? big sellers huh? ya they have big valves dumped in Stock Size Seats. Huh? how many bolt it on a go thinking theree high perf now? I have actually had a good time and a laugh exposing this junk i Any scratching around with the ports would have been a wast of time. ( I won't call it porting). This is good, NCY Ti Valve Springs, NCY's own label states this, yes a couple vendors have a correct description. Since when is Ti magnetic? Now I know this market segment just doesnt have the measurement equipment and experience, just irks me the Low prices and vendors and private labelers Know there selling unusable junk. Here is a proper skirt design clearance for a stroker.
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Post by czmdiver on Apr 5, 2016 10:01:15 GMT -6
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Post by czmdiver on Apr 5, 2016 6:44:17 GMT -6
No need to go through all that, these are not race engines that have to be precise and that get re-built after ever short run. All that is needed is not run them lean after installing them. He just happened to be to eager and ran the sucker without a pipe and lean. Happens to many of them because they did not come on a forum and ask some questions. By the way CZMDIVER what are you riding put a picture of your ride we like to see what everyone is riding. Alleyoop Oh I gotchya. as the piston guy Im compelled to address the "too tight piston". Wait. did we just agree? just funnin The Carolina fleet, Sunny 150, late model CBR1K, 986 Porsche, daily driver P-71 Interceptor. My other toy. street strip 91 Silverado, long rod 385i mouse motor
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Post by czmdiver on Apr 4, 2016 20:30:50 GMT -6
I totally believe California is nuts. 10,000 scooters can't polute as much in one year as todays nascar race. They "need" all the mopeds and scooters there to be subject of the strictest polution laws in the nation yet allow nascar to race there! The polution of that one race that is just starting makes more smoke and rotten air than do all the bikes there do in a year. Guess I will go watch too, since I don't have to breath their air! That fruits and nuts crowd sure has a weird sense of what is green. Brugh I'm with ya in a general way. There Not going to fix the air with cleaning up scooters or the local mx track. My industry was affected big time by the Two Smoke downfall in lieu of the Four Stroke MX'rs. Now that they got what they want now "There too loud" oh waaaaaaa, if they had a clue. Now lets discuss. Lets leave out the Tire smoke and compare the engines. NHRA event is Blazing tires all day. The Scooter market segment are the Worst maintained two wheeled vehicles on the road. i.e. Liquor Cycles. to my astonished eyes Ive seen these guys change there oil at the car wash dumping it down the drain. unreal. btw from tie to time I open a little time in NASCAR garages. Many are in a horrible state of tune. NASCAR is running 15% Ethanol. making somewhere in 2.42 or so hp per ci.. the are very efficient clean running engines tuned to the 9. Safteyclean has Total fluid reclamation at the events, there is a very strong enfaces on Not polluting at theses events. I lust look at One Jet at LAX or One City Bus . btw from time to time I spend just a little time in NASCAR garages
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