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Two things about race team bikes: the idle is typically turned up a bit, and the tip over sensors are removed or the ball inside is glued in place so they don't shut off when running on their side.
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So here goes: All the manufacture's motocross bikes (I'm not sure what other ranges this extends to, I imagine most) have a tip-over sensor, so when the bike is laying down after a slideout or crash, it'll shut off after a certain period of time. This is so the engine will not run while laying on its side for too long, causing a lack of proper oiling throughout the engine and causing increased wear or failures. This is a liability to the manufactures, so production models have this. For race teams however, they either have wiring harnesses that eliminate this from the system, or for the lower budget route you open one up, and glue the small ball inside to the center area so it can't move. Most tip-over sensors are these little containers that have a ball rolling around inside. It moves side-to-side as the bike bounces around, but if it stays on the far end for too long, it signals the bike to shut off (like the bike is laying on its side after a crash). By gluing it in place, this ensures that the system won't kick on and shut the bike off. When the bike has a higher idle and is laying on its side with the rear tire free spinning, they'll mostly run without dying. Some freestyle guys also have to do this, as their bike can shut off during flip tricks for the same reason
Thanks again for the insight Michael
Show me the part number for a 2007 YZ250F tip over sensor, it doesn't exist.
If ML is sworn to secrecy why would he tell the truth about the auto clutch?
Recluse for sure on Tomac bike, but Hinson does sponsor him.
http://www.partsfish.com/oemparts/a/kaw/55c0cd5f87a86612186de957/fuel-i…
Part Number: 21176B sensor, vehicle down... We're talking about fuel injected bikes here, not carbureted such as the 2007 YZ250F you're referencing...
I'm sworn to secrecy on the Hinson clutch parts they use, but I can tell you it's not an auto clutch... it's a standard clutch but it's unique in a way.
Even the crew from Rekluse will admit that almost no-one in the motocross pits is using their auto-clutch, currently. The majority of their teams and supported riders have switched over to their Torq-Drive manual system. To put it simply, moto guys prefer the norm... not auto...
Pit Row
Sure looks like he needs one ! Last Round - This Round !
Post a reply to: Tomac Rekluse?