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IMPORTANT: enter the case-INsensitive alphabetic (no numbers) code AND WRITE SOME SHORT summary of changes (below) if you are saving changes. (not required for previewing changes). Wiki-spamming is not tolerated, will be removed, so it does NOT even show up in history. Spammers go away now. Visit Preferences to set your user name Summary of change: '''STVA Secondary Throttle Valve Adjustment''' Suzuki GS-F 650/1250 (ccm3) ---- '''Secondary Throttle Valve''' * '''2A 7 Ohm bipolar 4 wire stepper for intake pipe cross-section area control''' * 256 steps enough? ** or more steps needed? Please check if available * step down to 0 at powerup/ Ignition ON->full open-> set 15% position before/during start. * step to command position after that (PWM input or digital input) '''Analog input 0.5V .. 4.5V (supplied from 5V)''' * '''0.5V .. 4.5V''' * mcp3208 analog input for logging. Optional: Add document to category: Wiki formatting: * is Bullet list ** Bullet list subentry ... '''Bold''', ---- is horizontal ruler, <code> preformatted text... </code> See wiki editing HELP for tables and other formatting tips and tricks.