I havea 1999 Whizzer Pacemaker 2 with the WC-1 motor on it. My problem is when it starts it only stays running for a couple few minutes. Then it sounds like it wants to die when u give it gas. I got fuel from a station i dont ysally dont go to and since then its been having this problem.
Ive drained the tank added fresh fuel cleaned the carb with carb clener and blew compressed air thru all the jets and every thing is clear.
Any and all help i can get will b greatfully appericated.
Please and Thank u n advance.
And how do i go about telling if the motor has been up graded to the NE motor. Because i also have a 2005 Pacemaker as well.
check the valve lash IN - .008" EX .010"
WC-1 stalling or running rough and loosing power within a few minutes after it warms up
1999 -2004 WC -1 has a problem of the valve seats coming loose within the first 500 - 1K miles
What will happen is the engine will start fine when it's cold but when it warms up a valve seat (usually Exhaust) will come loose and the engine stalls or runs rough and looses power. After the bike cools down the metals contract and the valve seat seals again until the engine warns up again the it all repeats itself
You need to pull the head and examine the valve seats
Whizzer USA offered the cyl NE-5 top end kit to address this problem with the WC-1
You would know if your other Whizzer has been upgraded to a NE-5 or is a NE-5 because there are noticeable differences between the WC-1 cyl and the NE-5 cyl
NE-5 cyl has larger cooling fins, different carb & air filter, intake spacer, different valve cover with a vent, different head and bolt pattern, different exhaust manifold, high lift cam and hopefully mushroom valve lifters
Here's where you can get whatever you need to upgrade your engine to a reproduction NE-5
ask Paul what you need
You also can just buy a new repop NE-5 engine if a NE-5 conversion is beyond your skill set
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BTW I'm not saying that your valve seats are the problem but you need to be aware and you should check if it is the problem because it is a documented problem that Whizzer USA had to address because of Warranties
Sadly by the time the NE-5 top end kit came out in 2005 most who had a WC-1 failed to make a warranty claim within the 1 year warranty period, so they were stuck having to pay for the NE-5 upgrade
