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08-17-2015, 07:00 PM
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#16 |
 Join Date: Mar 2013
Location: Vancouver, BC
Posts: 198
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Also if you're sticking with the stock Zuma carb use an 84 main jet from the Yamaha dealer.
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 2005 Yamaha BWS (Zuma) "Garfield" TP Black Trophy 70cc, Giannelli Reverse Pipe, 5g Dr. Pulley Sliders, Delta Clutch with Yellow Springs and Yellow Contra, Malossi Torque Controller, Naraku R-Vent Bell, NCY Adjustable Secondary Sliding Sheave, CF Reeds, Kege Analog Tach, Dual Headlight Mod, N.A. Rear Fender Delete, OEM Short Windshield. |
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08-18-2015, 08:28 AM
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#17 |
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Join Date: Mar 2013
Location: murphy n.c
Posts: 467
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im going to put the stage 6 pipe and polini carb on it along with the performance variator 1500 clutch and torque springs and 4 gram dr pulley sliders.with the china scoot I was at 9200 rpm so I should be good since its the same engine.i read some where the zumas have 7 gram rollers stock which I don't understand.zuma weighs 205 dry and my china is 192.the only thing that would make sense is my china is geared different.the polini carb came with a 80 main and it was running great once warmed but it over heated for some reason whether it was oil in tank or maybe my main was too small.does seem small with the stage 6 pipe and open filter.
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08-18-2015, 04:46 PM
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#18 |
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Join Date: Mar 2013
Location: Vancouver, BC
Posts: 198
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Yea 80 is too small and probably the main reason your top end burned up. Start with an 88 or 85 and go from there, and keep the stock airbox for sure.
Yes the Zumas are geared differently than the China cases. You will want to look at getting 15/50 or 14/fortysomething upgears for your Zuma because the '02-'05 models had taller gears and therefore lower top speeds. Also if it fits use the clutch and rear pulley from your China scoot, the '02-'05 Zumas have a terrible clutch (2-shoe that breaks easily) and rear pulley (sliding sheave with weird curved tracks that mess up your acceleration/shifting.) And replace the Zuma's metal reeds with Carbon ones so they don't destroy your engine when they break.
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2005 Yamaha BWS (Zuma) "Garfield" TP Black Trophy 70cc, Giannelli Reverse Pipe, 5g Dr. Pulley Sliders, Delta Clutch with Yellow Springs and Yellow Contra, Malossi Torque Controller, Naraku R-Vent Bell, NCY Adjustable Secondary Sliding Sheave, CF Reeds, Kege Analog Tach, Dual Headlight Mod, N.A. Rear Fender Delete, OEM Short Windshield. |
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08-19-2015, 05:57 PM
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#20 |
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Join Date: Mar 2013
Location: Vancouver, BC
Posts: 198
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Should be somewhere between 4 to 5g sliders.
Keep the Yamaha belt as they are actually way better than anything else for the Zuma.
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2005 Yamaha BWS (Zuma) "Garfield" TP Black Trophy 70cc, Giannelli Reverse Pipe, 5g Dr. Pulley Sliders, Delta Clutch with Yellow Springs and Yellow Contra, Malossi Torque Controller, Naraku R-Vent Bell, NCY Adjustable Secondary Sliding Sheave, CF Reeds, Kege Analog Tach, Dual Headlight Mod, N.A. Rear Fender Delete, OEM Short Windshield. |
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08-20-2015, 07:28 AM
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#21 |
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Join Date: Mar 2013
Location: murphy n.c
Posts: 467
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okay I have 4gram dr pulleys in my china ill try them in the zuma.i don't want to rev too high.with my china the pipe didn't get in the band till 8000 rpms and then it took off.china came with a gates also and will keep for a spare.
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08-26-2015, 01:23 AM
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#22 |
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Join Date: Mar 2013
Location: Vancouver, BC
Posts: 198
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Get one of the $12 Ebay tachs to keep track of your RPMs. The limit for the stock crank is 10k RPM.
If you put your fancy crank in from the other scoot though it should be good to 16k or something like that.
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2005 Yamaha BWS (Zuma) "Garfield" TP Black Trophy 70cc, Giannelli Reverse Pipe, 5g Dr. Pulley Sliders, Delta Clutch with Yellow Springs and Yellow Contra, Malossi Torque Controller, Naraku R-Vent Bell, NCY Adjustable Secondary Sliding Sheave, CF Reeds, Kege Analog Tach, Dual Headlight Mod, N.A. Rear Fender Delete, OEM Short Windshield. |
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08-27-2015, 07:10 AM
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#24 |
Join Date: Jul 2011
Location: Connecticut
Posts: 493
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I'd use 2500k or 3000k clutch. I500 is actually a downgrade from stock.
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2011 Roketa MC-23-150 4T 150cc 157 qmj 24mm carb w 115 main jet and paper cone air filter Manual petcock w Tygon fuel lines Scrappy Dog Scooters Retro-slash stainless straight-thru exhaust RED spring clutch Adjustable CDI (brand unknown, it's blue and red and works great!) KOSO high performance variator w 12g sliders Gates Powerlink 835-20-30 belt GPS verified 65mph on flats. |
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