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bzm 50cc

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  #11 (permalink)  
Old 21-06-2008, 10:08 AM
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i love the blata wrs engines, but i imagine bzm would crap all over them.
danny from pocket racing bikes sells all of that stuff, so just send him an email.
cheers
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-SQ blata rep (47cc big bore kit, 19mm dellorto PHVB, Blata reeds, Blata crank, Zocchi Rep Pipe, 7mm reed spacer)
-911 rep (BZM 50cc 6 port top end, bzm bottom end, bzm 40cc pipe, BZM red crank, bzm gold head, BZM 18mm carb)
-D1 (50cc 5 port polini rep engine, 19mm del rep carb, bzm 50cc rep pipe)

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  #12 (permalink)  
Old 21-06-2008, 10:34 AM
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Quote:
Originally Posted by 2j180sx View Post
thanks for all of the info were can i get someone to fit a bzm topend an gold crank to my rep cases . an were could i get a polini engine in aus . an wat do u guy think bout blata wrs engines r they up thier with the bzm an polini engines

Hey mate, over here in Adelaide SA we can get the chinese polini 50cc motors complete with carbi etc for $160 brand new.
These are great motors, one guy here has just fitted one with a BZM exhaust and BZM clutch everyhting else is stock ie no porting and it goes like stink.
AS for the WRS motors 2 guys here have them as well and they go extremely well, very impressive power out put from them. Plus the bikes look awsome aswell.
Dazza from Oz mini moto will be able to sort out the fitting of all parts for you. Try his link on this forum to ask him.
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Z1 powered by BZM 50cc 6 port. BZM Race Exhaust, Ported, Narrowed & Welded Z1 Crankcase, BZM red stroker Race Crank, BZM Reeds, Modified Polini Reed Cage, BZM Dellorto 18mm Carbie, External Polini W/Pump, BZM 3 Iron Coil, Steering Dampner, GRC Brake Pads, PMT T41 Slicks.
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Old 21-06-2008, 11:19 AM
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Ive got a fairly heavily ported and matched 5 port pollini engine in my banshee and i can tell you that its f*#kin crazy
The tourqe the little thing puts out blows me away,if your not ready for it it will sit you on your **** pretty quick.
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Old 21-06-2008, 11:37 PM
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Quote:
Originally Posted by 2j180sx View Post
thanks for all of the info were can i get someone to fit a bzm topend an gold crank to my rep cases . an were could i get a polini engine in aus . an wat do u guy think bout blata wrs engines r they up thier with the bzm an polini engines
This will depend on what BZM, Polini or Blata engine you are comparing them to.
The Blata 40cc is a stronger engine package in the Victory kit than any BZM or Polini 40cc engine.

As Blata don't factory make a 50cc motor, the BZM 50cc engine is stronger than the Polini 50cc engine.
But, put a BZM 50cc kit on the Blata bottom end, then Blata is stronger down low than the BZM 50cc, but are much the same mid and up top.

The new O R engine 50cc from Phantom is showing great results in Europe with better mid range than the BZM 50cc.

But it doesn't matter what engine you choose as it comes down to two things, rider and also if you know how to set up the bike.
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Old 21-06-2008, 11:38 PM
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hey dude i have seen a few wrs blata go and they are buy far the quickest stock 40cc's they will give bzm and polini's a run for the money they are very reliable to over all power they might not have as much but you can hardly compare a 40cc to a 50cc
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Old 22-06-2008, 02:27 AM
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if your going bzm topend and gold crank WHY keep rep cases????? the new bzm 620 cases are the dogs.
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Old 22-06-2008, 09:22 AM
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because 10 minutes on a mill to carve out the reed area and boost port is enough to make them exactly the same as the 620 cases. i have a set at the moment. theres alot of machining mistakes in them for the $250..
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Old 22-06-2008, 10:38 AM
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hey glen i think you will find there are no mistakes in the cases, on the back of the barrel you should find a code on the end of that code it should say ,07, 06 or 05 im not one hundred percent on this but from wat i read a few months back that stand for the year made ,i have 3 different sets of bzm 620 cases and they are all different and are all from a different year from wat i read all 07 barrels will match 07 cases wen i bought my a/c bzm 5 port 50cc it was all 07 and the ports were perfect out of the box no matching needed but wen i damaged the old a/c barrel i put a new barrel on marked 06 it was a little bit different i think its just maching for barrels, but i could of been reading some ones make believe story wen i was searching about it to lols
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Old 22-06-2008, 10:41 AM
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ill take some pictures but theres more than that, theres machining marks all over it and casting dags everywhere. which is not something i should be fixing for a top of the line product but thats the way the mop flops
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Old 22-06-2008, 07:23 PM
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Quote:
Originally Posted by Glen View Post
ill take some pictures but theres more than that, theres machining marks all over it and casting dags everywhere. which is not something i should be fixing for a top of the line product but thats the way the mop flops
Hey Glen,
Most of the BZM barrels need dags taken out of the ports in the barrels.
Most things are mass produced, only a few manufactures fix these little dags before their sale.
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