I have a 1987 trx250x that i just got done rebuilding.My question is i changed the valve cover with a 300ex cover now the 300ex cover doesnt have the adjuster for the kick starter.I was able too start the atv right after rebuild a few times but now it wont start at all.It seems like when i give it throttle while kicking it over it gets very hard too turn the engine but when i give it no throttle it spins nice amd smooth.It also has very little spark now.I put a new cdi in it and have a new coil on the way.But im mainly concerned about the kicker not feeling right.Any ideas?

Rico