Tohatsu and Nissan Outboard Motor Torque Chart -- MASTERTECH MARINE

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MASTERTECH IS AN AUTHORIZED ORIGINAL EQUIPMENT PARTS DEALER FOR NISSAN AND TOHATSU.

NISSAN MODEL NUMBERS BEGIN WITH "NS"
TOHATSU MODEL NUMBERS BEGIN WITH "M"
4-STROKE MODELS WILL ALSO HAVE AN "F" IN THE MODEL NUMBER
TLDI MODELS ARE DIRECT FUEL INJECTED MOTORS (2-STROKE) AND HAVE A "D" IN THE MODEL I.D.

Just to be clear, for Nissan & Tohatsu motors the MODEL NUMBER is REQUIRED for parts lookup

General Torque Specs

TOHATSU-NISSAN GENERAL TORQUE VALUES (Bolt Sizes Are Metric)
Special application values are noted in the Service Manuals in the appropriate section The specs below DO apply to head gasket torques
4mm	9 - 18 inch-pounds	1 foot-pound
5mm	18 - 27 inch--pounds	2 - 3 foot-pounds
6mm	44 - 53 inch-punds	2 - 3 foot-pounds
8mm	97 - 133 inch-pounds	8 - 11 foot-pounds
10mm	204 - 274 inch-pounds	17 - 22 foot-pounds
Head gaskets are torqued starting from center, moving outward alternating left and right, in several stages. After 1 hour, retorque final value again

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The information provided on these pages is correct to the best of my knowledge, however the MasterTech makes no warranty, express or implied, regarding the use of, results of, or liability created from, application of this data. This information is disseminated in good faith, however MasterTech assumes NO LIABILITY whatsoever in regard to this service. The information, software, products, and services published on this web site may include inaccuracies or typographical errors. Changes are periodically added to the information herein. Mastertech may make improvements to this site at any time. Parts ordered from this website may or may not be in dealer stock at the time of order. Thank you for reading.