Powerplant: Tuning Carburetor, Exhaust, compression, engine setups, etc.

[michael950]

Calculating Displacement:

Yamaha 62T/61X Displacement vs. Bore/Stroke Combinations (http://www.x-h2o.com/showthread.php?t=5136)
cant rember the formula to work cc size (http://www.x-h2o.com/showthread.php?t=7903)


Compression Test:
How to check compression (http://www.x-h2o.com/showthread.php?t=12806) - Procedure
Compression Question (http://www.x-h2o.com/showthread.php?t=9357) - Numbers and subsequent actions

Resleeving
http://www.x-h2o.com/showthread.php?t=36188


List of Engine Builders:
Complete List of Engine Builders Specializing in performance SJ motors (http://www.x-h2o.com/showthread.php?p=337370)

[michael950]

Engine Types:
The Great 61X/62T Debate, Philosiphized.... (http://www.x-h2o.com/showthread.php?t=7258)
The usual suspects beating the dead horse. :pokey: I know this will be a good read, and probably confuse you to the point you don't know what to do.

PWCT: 62t to 61x whats the difference (http://www.pwctoday.com/showthread.php?t=51561)

lamey vs. 701 super-bore (http://www.x-h2o.com/showthread.php?t=5757)
Good advice on spending the cash before you have the skill. Consensus is, start with what you have, build as you go. As your skill gets better and you need the power to move on, then spend the big bucks (unless you get a sponsor).


Pistons:
ceramic coating pistons (http://www.x-h2o.com/showthread.php?t=6010)

Pro X / Wiseco Pistons (http://www.x-h2o.com/showthread.php?t=8824)

Buy Wiseco pistons individually or as "matched" pairs? (http://www.x-h2o.com/showthread.php?t=2593)


Misc
best motor mount for sj? (http://www.x-h2o.com/showthread.php?t=8079)
Member preferences for motor mounts

Using Devcon putty to fill 62t cases (http://www.x-h2o.com/showthread.php?t=9755)

[michael950]

Single Or Dual Carbs (http://www.x-h2o.com/showthread.php?t=147)

Single 44mm into Duals? (http://www.x-h2o.com/showthread.php?t=391)

Surf use - OEM38s Vs. OEM 44s (http://www.x-h2o.com/showthread.php?t=376)

What kind of paint to paint carbs? (http://www.x-h2o.com/showthread.php?t=3558)


? on adjusting my carbs (http://www.x-h2o.com/showthread.php?t=1488) - One of the many posts on B-pipe jetting


reed spacer or stuffer? (http://www.x-h2o.com/showthread.php?t=13273) - Comparisons and functions of each.


Mikuni Spring Color & Popoff Pop Off Chart (http://www.x-h2o.com/showthread.php?t=38467) - PHOTO Included!!


My notes from a Mikuni seminar by Herb Kane (http://www.x-h2o.com/showthread.php?t=41293) - Includes stock flow rates


MANDATORY READING: Mikuni Watercraft Carburetor Owner's Manual (http://www.mikuni.com/pdf/sbn_manual.pdf)
Despite the page count, it is an easy and somewhat quick read.

FYI: I scanned a pamphlet about tuning your ski I received with a manifold I bought. Hope it helps.

[michael950]

Factory Pipe: ltd vs mod (http://www.x-h2o.com/showthread.php?t=3840) - This thread, though about the differences between Factory Performance exhaust pipes for the SuperJet, diverges into discussion about timing advances.

B-pipe cooling, routing water lines (http://www.x-h2o.com/showthread.php?t=1667)

Jetworks fc valve worth it with SINGLE cooling?? (http://www.x-h2o.com/showthread.php?t=18654) - members positive experiences with the Flow control valve


B pipe manifold diameter (http://www.x-h2o.com/showthread.php?t=9561)
For those who own older B-pipes, be sure to check this thread.


PWCT: Installing factory mod pipe in stock sj (http://www.pwctoday.com/showthread.php?t=57357)

[michael950]

C.A.T.S. - Cheap Arse Trim System - post your's! (http://www.x-h2o.com/showthread.php?t=8361)

[michael950]

OEM lightened flywheel review (http://www.x-h2o.com/showthread.php?t=11067)

Lightening My Stock Flywheel - Tips (http://www.x-h2o.com/showthread.php?t=3185)

Lightened (or not) 62t flywheel (http://www.x-h2o.com/showthread.php?t=6672) - also includes comparisons with photos of the differences.

[michael950]

pistonwash and sparkplug reading (http://www.x-h2o.com/showthread.php?t=11721)

[michael950]

Filling Crossover (http://www.x-h2o.com/showthread.php?t=11270) - Discusses process and potential gains in filling OEM intake manifold.

Best twin carbs and manifold ? ? (http://www.x-h2o.com/showthread.php?t=12642) - Great info on intake manifold design.


rad valve versus v-force (http://www.x-h2o.com/showthread.php?t=1385)

What Reed valves do you run? (http://www.x-h2o.com/showthread.php?t=8042)

R&D M-16/Dominator setup for 62t (http://www.x-h2o.com/showthread.php?t=8308) - WTB ad (Pro-R&D)

[michael950]

Coupler Alignment (http://www.pwctoday.com/showthread.php?t=53773)

[michael950]

Yamaha torque specifications (provided by douglee25)

[michael950]

Rad flywheel stuff... (http://www.x-h2o.com/showthread.php?t=22890)