Jetting Specifications
ZR 500, Single Pipe = 440 main jets 0-2000ft run @ 8200 Rpm's
Twin Pipes = 440-450 main jets run @ 8400 Rpm's
Products available for the ZR 500
Single Pipe = 7 hp
Twin Pipes = 12 hp
V-Force Reeds = 3 hp
711 kit w/ Twin Pipes = 140 hp
Clutch Kit , engages @ 5000 rpm's runs @ 8200 rpm's
Porting = 8 hp
Head Cut = 2 hp
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ZR 600, Single Pipe (Round Carbs) = 440 main jets, Single Pipe (Flat Slide Carb) = 370 main jets
Twin Pipes (Round Carbs) = 450 main Jets, Twin Pipes (Flat Slide Carb) = 380-400 mains
Single Pipe run @ 8200 Rpm's, Twin Pipes run @ 8200-8400 Rpm's
Products available for the ZR 600
V-Force Reeds = 2 hp
Porting = 8 hp
Head Cut = 2 hp
Twin Pipes = 12 hp
Single Pipe = 8 hp
Power breather = 4 hp
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ZR 600,ZR800,ZR900,When installing Powerbreather go up two on the main jets.
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ZR 700 '94-'95, Factory Twin Pipes came stock on machine ran @ 8000 Rpm's
D&D Twin Pipes = Run at 8500- 8600 Rpm's
'99-'00, Came with factory single pipe ran @ 7800 Rpm's
D&D Twin Pipes ran @ 8000 Rpm's, 0-2000 ft run 400 main jets
Products available for the ZR 700
Porting = 10 hp
Head Cut = 2 hp
Twin Pipes = 12 hp
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ZR 800 D&D POWERSINGLE ,+2 TIMING KEY,POWERBREATHER=450 MAIN JET
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ZR 800 D&D TWIN PIPES POWER BREATHER( DO NOT REMOVE CONES)510N MJ
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ZR900,D&D TWIN PIPES =490-500 MAINS,RUN MOTOR @7900-8000
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ZR D&D 1010 twin pipes-F-7 needle,540n,560 n Main jets
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F-7 twin pipes-0-2000 ft 500-510 n main jet
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F-8 D&D twin pipe -30 pilots,f-5 needle 2nd clip,510-520 main jets
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F-9ss D&D twin pipes-stock pilots,490-510 main jets
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2001 Thundercat 1000 ,D&D Trail Pipes-380-400 main jets,run motor @8800 rpms
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'96-'98 ZRT 600, factory stock pipes run @ 8200-8300 Rpm's
D&D Triple Pipes run @ 9200-9400 Rpm's
D&D Pipe jetting stock carbs = 380-390 mains
D&D Pipe jetting bored carbs = 440-450 mains
'99-'02 ZRT 600, D&D Pipe Flat slide carbs jetting = 360 mains
Products available for the ZRT 600
Triple Porting = 10 hp
Triple Pipes = 12 hp
Silencer
Clutch Kit
Gears
V-Force Reeds = 4 hp
Timing Keys
Power Breather = jet up 2 sizes
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'95-'98 ZRT 800, Factory stock pipes run @ 8000- 8200 rpm's
D&D Triple Pipes run @ 8400-8600 rpm's
'95-'98 jetting specs, 38 round carbs w/ D&D triple pipes = 440-450 mains
'95-'98 jetting specs,3 9.5(bored carbs) D&D triple pipes = 490-500 mains,Q5
'99-'01 ZRT 800, Factory stock pipes = 350 mains run @ 8250 rpm's
D&D Triple pipes = 380-390 mains run @ 8800 rpm's
Products available for the ZRT 800
Power Breather ( '99-'01) jet up 2 sizes
V-Force Reeds = 4 hp
Timing key ( 93 octane) = 2 hp
Trail Clutch Kit
Triple Pipes, Silencer
Porting = 17 hp
1000 Big Bore kit ( stock cylinders bored) = 204 hp
ZRT 800/D&D 1000 kit-39.5 bored carbs-45 pilots,Q5 needle jet,480-500 main jets
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ALL SPECS TESTED @0-2000 FT ALT 10-30 DEGREES