Tuned GX200 Big Bore First Engine Run
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- Опубліковано 16 чер 2012
- GX200 6.5hp Clone Engine With Welded Cases
Billet Con Rod
Balanced crank
Billet flywheel
re-sleeved and bored to 73mm
Welded, ported and skimmed head
big valves 32 inlet 28 exhaust
265 cam
chromoly push rods
1.3 rockers
copper head gasket
First test still needs adjustment on carb plus another carb on the way.
watch this space for more test vids .
Check out the pictures and build diary of the mini bike on omb:
www.oldminibikes.com/forum/pro...
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great footage! never seen valve action before!
That thing got some power damn
Nice! What's this for? And how many horses/rpms are you hoping for?
Goog job
Bisa km buat klep sprt ini?.
Krn sy slh satu pnnton akunmu
You keep the last word,it seems you'll feel happy then. :)
Why are you talking about racing then? it was a 1989 GSXR250R and its still going and is used as a track bike by a friend of my family
rip valve
BS ...it won't do ANYTHING to the valve...that's an old wives tale....Trev🇳🇿🤔New Zealand
Please explain how my first road bike had a redline of 19,000 rpm since you claim they cant.
Is that a Walbro WB32?
How much power?
Maybe build an exhaust before you worry about tuning the carb.
Doug Ryan yea he needs to put exhaust on it but seeing the combustion is pretty cool
Dale Jackson no doubt
Could tall help me bulid a high power predator 212
What kind of carb is that? Brand?
Lol 2 stroke 4 stroke they both blew up after a few cold ones on the back road
when did i say anything about a dirtbike? any track? sweet feel free to bring any size 2 stroke you like to where i ride and you can show me how fast you are then....
MY GOD,i'm talking about these GX200 industrial engines ,not about bike engines!And please tell me the specs of your 19.000 rpm 4 stroke bike engine.
not a endurance competition.
Not if the 4 stroke is turbo....your statement is invalid since it all depends on what you are using the engine for.if you hold a 2 stroke open wide for a long period of time it will most likely go bang
Where can I get that exhaust valve ?
Diya.. I'll sell you a new one...how many do you want ?. Trev New Zealand 😊🇳🇿
That'll be no match for a rotax bout 12 hp that honda have if ur lucky
Masin bagus napa bagitu
good,but i'm still going to stick to my statement that 2 stroke engines are better for racing.
A 250cc 2 stroke will easily win a 250 4 stroke.
Yeah and blow up 4 times faster
Two cycles are not legal to sell in the USA anymore.
do bad for your engine Holly shit
Drake
Rip exhaust valve
please take your words back...I'm not even gonna satr an argument why 2 strokes are better to tune.
Btw ,gl running that engine without any backpressure. :) (it ruins the walves)
BS...if I had a $ for every time I've heard that crap sprouted Trev New Zealand 🤔🇳🇿
You do realize i'm talkiing about racing?A 4 stroke will go max 7000-9000rpm(HONDA CLONES),after that the valves are gonna come apart.And 2 strokes are easier to tune+2 strokers can go close to 20.000rpm and fast.Thus 2 strokes are for racing,4 stroke (honda clones) are for inustrial work.
wrong, a 4 stroke can spin up much faster than you say, ever seen WR450 ive ridden one, it'll kick a cr500's ass, in a go karts case, which is 1 cylinder, they cannot see 20,000rpm for the life of it, also, 2 strokes cant maintain their powerband for a very long time, 4 strokes can hold their power forever, plus a super/turbocharged 4 stroke will shred apart a 2 stroke, yah i see where your coming from , a 2 stroke is good a medium large track, a 4 stroke is better on a small to medium track
this aint 20bhp dan gx200 store got 25bhp spending £1200.he sold it coz they dont last he got max instead.junior max kill this.u aint got a clue boy
ohh and a clone motor is just as good as a genuine one, ive compared them side by side, looking at all the casting lines, and blah blah blah, if you have your cam timing set right, high tension valve springs, you can spin 10,000 rpm, my 250 dirtbike's rev limmiter kicks in at exacty 9470rpm, youre very wrong young sir, but dont keep trying to push me, ive been with engines since i was 2, i know wtf im talking about here...
:) And since when are 4 stroke dirt bikes for example with a turbo? You're talking nonsense.A 4 stroke by itself is heavier than a equivalent 2 stroke,and now you talk about a turbo?Bi*ch,Please....
And i hold my statement;A 250 2 stroke is superior to a 4 stroke in terms of weight ,and power.The thing about going bang when going all out with a 2 stroke-the time it takes to go "bang" is enough to beat a 4 stroke on any race track,so it doesn't matter that it has a shorter life time, it's a race
4 stroke are much better to tune, 2 strokes are eaiser, with a 4 stroke you can do plaaantey of shit, not so much with a 2 stroke
Dont waste your money on hondas there crap tune a 2 stroke