{ "item_title" : "Tuning and Modifying Motorcycle Engine Systems Handbook", "item_author" : [" Travis Brooks "], "item_description" : "A fuel trim reading tells you something is wrong. It does not tell you what.Modern motorcycle engine management moved faster than the manuals did. Most guidance covers one slice a single ECU, a carburettor chapter, a model-specific repair step and leaves out the logic that connects them. So a lean code gets a new sensor, a harness fault gets a replacement loom, and a calibration gets guessed at.This handbook follows the system end to end; sensor signal, ECU calculation, actuator command, feedback loop then applies that understanding to calibration work with defined procedures, worked numbers and acceptance criteria.Read a lambda trace, fuel trim map or fault code and identify the cause behind itSeparate a hardware fault from a calibration fault using evidence, not eliminationFill and correct volumetric efficiency and ignition tables on the dyno and by road loggingDesign and verify a wiring harness: wire size, grounds, shielding, fusing, continuityCalibrate idle, cold start, transient fuelling and closed-loop trimsConvert a classic carburettor engine to electronic fuel injection, from trigger wheel to first startEighteen chapters cover sensor and actuator theory, injector characterisation, CAN bus and OBD-II, harness engineering, full dyno and road calibration programmes, five-step fault diagnostics, and advanced strategies including variable valve timing, traction control, boost and flex-fuel. Every chapter carries worked examples, practice problems with answers, troubleshooting workflows and sign-off checklists.Written for motorcycle technicians, dyno and performance calibrators, custom and classic builders, and engineering students who want the reasoning, not just the steps.Open the handbook and start working on engine management as one connected system.", "item_img_path" : "https://covers4.booksamillion.com/covers/bam/9/79/819/251/9798192519103_b.jpg", "price_data" : { "retail_price" : "99.99", "online_price" : "99.99", "our_price" : "99.99", "club_price" : "99.99", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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