Hot and cold starting...

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I'm not sure if I missed it in the sensor trial thread, but how much thermal grease is enough? My original head temp. sensor was really stuffed with it.
 
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I'm not sure if I missed it in the sensor trial thread, but how much thermal grease is enough? My original head temp. sensor was really stuffed with it.
Just smear it all over and a blob on the tip. It will mix with what’s already in there.
 
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I had this starting problem recently, ok when cold but reluctant or refuses when warm. Facebook 961 page had an article about bad connection on the crank rotation sensor (black thing on the rain swept front of the engine). Pulled the plug and saw it had started to corrode so cleaned up, dialelectric grease into the nooks and crannies and problem solved. Apparently crank sensors can be affected by temperature .
 

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Pulled the plug and saw it had started to corrode so cleaned up, dialelectric grease into the nooks and crannies and problem solved. Apparently crank sensors can be affected by temperature .
Good to know. I haven't replaced that sensor yet. I don't ride in wet conditions, but maybe moisture in general can affect it ?
 

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I'm going to replace the crank position sensor before I take 'er out for a ride again. I don't know if it will help, but the warm engine start up problem is pretty annoying now. :mad:
 
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Also try cleaning airbox temp sensor with alcohol. That always made my bike start easier
 
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Davide from Italy

I Had the starting problem on the moornig at 6 deg. celsius. I don't understand if I change the originals sensors with a Bosch cam sensor 0232 103037 and head temp Bosch 028 013006,only original parts.I solve the problem of cold starting . Normally I dont' connect the battery at the charge when daily use 961.
 

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I suspected my battery for a short while because I can't keep it on a charger. I was routinely jump starting after it sat for more than a day. But the last two times it started up with one stab - cold without the jump start battery. So my starting issues must be due to improper fueling after the engine is warm. In fact, when it takes several attempts the way it does the gasoline smell is pretty strong.
 
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It would be wonderful if someone included photos of the installation process.
 
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I’ll try to get to that. It simply threads out and the new one back in. Even just unthread yours and put back and you will see there is nothing to it. No oil will pour out. Nothing to fear.
 

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I’ll try to get to that. It simply threads out and the new one back in. Even just unthread yours and put back and you will see there is nothing to it. No oil will pour out. Nothing to fear.
Your reply brings me to ask one question. What part of this sensor so delicate as you described in your manual. I was fairly apprehensive about even touching the damn thing. When I went to swap it out I was very careful. But afterward I found myself wondering what part pf it could be messed up by bumping it. Just a question.
 
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I'm just keeping my new sensors as spares for the moment. Other than an increase in rpm when hot (1600) the bike is starting and running really well. Don't want to fix what aint broke.
 
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Fair enough but the head temp sensor is way more responsive. Take both out hook up to a multimeter. Get a hair dryer and watch. Then you may end up using the bosch. As for the cam. Same thing and get a peice of steel and place it at an exact distance and compare both sensors.
 
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Fair enough but the head temp sensor is way more responsive. Take both out hook up to a multimeter. Get a hair dryer and watch. Then you may end up using the bosch. As for the cam. Same thing and get a peice of steel and place it at an exact distance and compare both sensors.
I must have missed where it makes such a huge difference in performance. I thought durability was the main issue. Ok then. I'll get around to it. Thanks, Richard.
 

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