Question about 1990 Suzuki DR 650 RS

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When the **** gets warmed up and you shut it off, you have to wait until it cools off before you restart.

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Big thumpers are notorious for finnicky starts.

My stock '90 DR650RS needs to be started with a set procedure, generally NO THROTTLE when kicking over. I had same issue as you but reset air screw at exactly one and a half turns out and idle (warm) at 1200 revs.

Cold start: Hold de-comp on and kick over with 1/4 throttle, release throttle, pull choke and kick over once with de-comp still on. Then, turn ignition on, NO throttle, no choke, apply de-comp and kick over...let idle for about 10 seconds before grabbing throttle.

When hot: just kick over with hand well clear of throttle. (I use the handlebar cross brace for support)

This took me ages to work out but has been foolproof ever since, even after a spill in the dirt or a sudden stall in traffic.

I use premium Un-leaded fuel and stock NGK plugs with stock Mikuni carb and jets. I use two different exhausts (stock twin muffler and an alloy CZR single pot) and starting is identical procedure for both. (I only change the jets with exhausts)

Hope this assists, Cheers.

Posted on Sep 01, 2010

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