- Horsepower estimate big bore 850
- superjet seize
- Big Bore SXR Lites Pistons
- porting and boreing
- 91 650 x2 jet ski
- 91 650 x2
- 12 psi gain per each .0010 milled off ?
- 42 novi jetting?
- av gas
- engine assembly
- Pulling cylinder for 850 mod and porting
- Malcom Smith is My New Biggest Hero
- 96 xp carbs for a 96 hx
- Crankshaft Rebuilding Questions
- Which Cylinder for Lites
- 1999 gsx ltd
- A/F separator 750 MRD application
- Larger diameter couplers decrease pump-load to the engine?
- Info on head for a 1020
- Kawi 650 header pipe
- 28cc domes on my sxr
- stxr shaved heads...prices
- 750 Machine Work
- any testing done with poor man's race fuel
- Dual Carb Intake Cross Over Tube
- turn around time for 701 upgrade
- boring exhaust manifold and head pipe
- 650sx w/ Factory pipe - Solas Spyder KA6
- midshaft heat
- 750sx cyl vs SXR cyl
- Group K sleeper w/Coffman PIpe XPL
- porting? seadoo
- Over sized impellers...?
- piston? on sleeper kit
- 08 Superjets in lites class
- Advent ignition on an SXR Hammer 1
- From Big Bore to Hammer
- 650sx cylinder
- 850cc SXR w/ wetpipe questions
- Half inch cooling or Dual cooling???
- Question about Group K porting
- Large ports, low compression build...
- repairing pitted head domes
- How to tell if groupk work has been done
- Superjets cracking cylinders - preventative measures
- need help please
- Group K intake manifold mod
- SJ 845 Big Bore Kit
- SeaDoo HX questions?
- harry......
- Group K carb circuit upgrade
- Gp 1200 r build
- cases drilled
- Wet Jet 61x (tall one) Westcoast ?
- Blaster dual 38 mikuni set up
- Pop off too low on my dual 44 SBN setup...
- Group K is off to the World Finals
- Porting 66v cylinders after replating?
- Search wiring diagram 800 SX-R with dc cdi
- 48 novi's on singal pipe stxr
- 650 to 701 Carb ???s
- Piston/Ring Clearence Wiseco 83.00mm 750 sx
- JS 300 hull - dropping in a 650cc
- 845cc IJSBA Limited Class Super Jets
- Misc GroupK questions...
- SuperJet 701 Sleeper - compression > 180?
- full circle cranks
- Bore first, then Sleeper? Or vise-versa.
- How to check superjet timing
- SXR 849cc Pistons
- Question for Harry
- Question about 785 porting
- 845cc SuperJet Freestyle Tech Info
- 785 "sleeper kit" pipe questions.......
- SXR Hammer differences
- Harry, Qs-Winter build. Porting of my 650 x2-
- Motor Build
- Need Help
- 93 550sx with mods..Popoff question
- 62T/61X aftermarket reeds and OE cage
- Super Jet question
- 2001 Stock Yamaha GP1200R (water bypassing ?)
- IJSBA SXR 849 Stock Class "Upgrade"
- 550 sx
- Yamaha waveblaster800 mods
- Any Freestylers going to APBA LB Spring National??
- Yamaha 65U & 63M
- How to determine cause of slight bog
- Vilder Ignition
- Jetting help
- Question for Harry Klemm
- "Formula 650" engine mods
- Cutting 760 stock head for 85mm flat tops?
- superjet jetting question
- Yamaha 1100 upgrade help
- 650sx help
- Enhancer or No Enhancer!
- SJ play ski whats next?
- How far can I safely bore a twin Yamaha Cylinder???
- modified triple 38 mikuni Jetting
- 00'rx 951 transition
- 750 Base Gasket OEM or Copper?
- superjet bog
- 750 SX factory pipe cooling line question
- SXR 2003/2006 electronics
- ocean pro 650 cyl
- 750 head fit a 650
- 750 sxi/800sxr
- Cylinder difference/preference
- Jetting starting point for SBN38 on 440
- sent you an e-mail
- GroupK Seadoo Exhaust plumbing kit
- Any idea on the length differences of Kawasaki Driveshafts?
- SBN 44 Jetting for a JS440
- 787 head mod compression
- Nozzle boring
- Hammer 1 SX-R ?
- Big Pin / SXR cylinder porting
- 650sx nozzle bore
- The wheel that makes it fly.
- Curious on your jetting recommendations
- Stock '99 gp800 Yamaha Premix Question
- ? on 787 sleeper
- jetting help on a bigbore
- Kawa 750 piston ring gaps
- 550 engine prices
- 96 big pin 750sx bent rod
- 800 pv in sj
- spark plug gap / and fuse ?
- Fx1 carbs
- reed spacers or stuffers on an SXR
- superjet #s
- Big Pin vs Small Pin Single Carb
- piston clearance
- 550/650 conversion ski
- What is this?
- 550 coffamn pipe?
- 1390 Bb
- SXR set up
- Resleeve
- blaster1
- seadoo sleeper?
- FLywheel?
- 66E YAM 800 cylinder and head question
- 900 zxi
- decieded on group k ...
- 440-550 build
- 750 Mods
- exit Nozzel
- A/F separator
- yamaha 89mm pistons
- Small pin crank
- Harry do you have any pics of the Cowasaki?
- Impeller Pitch...
- Head Sealing on 82.00 750
- 849 kit with 650 ignition, exhaust?
- Jetcraft Eng. dual resonator mufflers
- Rossier pipe on gsx 800q
- Freestyle porting?
- Life of top end after porting?
- 750 sx "Beef It" Handle pole Kit
- Harry - plans for my gp
- need my head milled
- Milled head on WaveBlaster II?
- Wiseco In SXR 800 maximum clearance ?
- 750 X2 Sleeper with FP Wetpipe
- Pics of porting...freestyle or racing?
- Ten Year Old SJ carb rebuild Q's
- '97 mc1000 tigershark tuning
- Harry- need some direction for 750/800 build...
- superjet tuning question
- 1997 kawasaki question
- Adapter to put a 44mm SBN on a stock 38mm CDKII manifold
- lightened flywheel
- looking to get my motor rebuilt for freeride
- Extra cooling on modified 1100 zxi ?
- Big pin cylinder on small pin 750
- Detonation Sensors
- 66e BB package
- ultra 150: Exit nozzle Taper Boring (Spec 1 or spec2) ???
- Group K sleeves
- 650 groupk ported cylinder - sj
- SXR Factory Dry Pipe water/cooling line routing
- recommended upgrades with the hammer?
- FX1 Upgrade
- Air / Fuel Separator
- Small pin jetting, SXR carbs, crossover filled
- Group K please help / explain
- can you do a seadoo 657 sleeper mod??
- 95 Xp sleeper
- 951 in sxr800 hull! what do you think?
- 650 sx mods
- Opinion on Pump cone
- Honda HP2 Oil In A Jet Ski
- SXr waterbox, pipe, too hot.
- compression ?
- 03 gp1300
- 850 cc big bore sxr
- gpr pump grease
- vrx impeller ?
- Return Jet & Sludge
- Thaks Group K
- 849cc Mod for Freestyle.
- SXR help!
- SXR 800 Jettinetics Aluminum Flywheel
- 95 SeaDoo SPX, sleeper kit 720 swap help
- 701 compression
- 750 94' ssxi top end power loss
- total price for engine work?
- Upgrading the superjet
- 550sx EXCESSIVE FUEL CONSUMPTION
- 97 Kawasaki 900zxi
- Jetting X2 FPP 44 SBN
- Serious concern with my '05 SXR w/ sleeper mods.
- 750 small pin to big pin
- 650 40mm carbs jetting
- 650 40mm carbs jetting
- 44 mikuni 750 xir jetting
- Klemm Cycle Supply
- 750 Kawasaki head on 650 engine?
- High compression head and riding elevations...
- sxr question for group k
- 650 cases,701 cylinder
- taper boring
- Ultra 250 accelration numbers
- carbs xp 1996 true 40mm
- SXR 849 Big Bore Document
- Slow Xpl Need Help
- prop for 96 yamaha vave ventura
- 550sx No bottom end power
- Kawi 750 with 61X Electrics?
- Stage II?
- Engine
- SXR Sleeper Kit - adding a pipe
- Stage 1 mod on STXR
- Yamaha pulser coil ? HELP
- EMM Cooling stx di
- 750 head on SXR
- engine misses sj700
- 760 Square Nose SJ
- 750 Liner Crack
- Offer
- SXR 849 Big Bore
- Recommended Oil
- Crank
- STX-R seizures...
- Realistic Expectations - a bit long but interesting
- Yamaha superjet options
- Water Injection STXR Headpipe
- Timing Advance Lesson - STX-15F