I just bought a B1750, gear transmission, 400 hours.  When shifting,  I occasionally cannot get it into certain gears.  For example, shifting from first to third.  I can get into first and reverse, but not second or third.  Another time I cannot get into first or reverse, or just reverse, or all the gears except the one I shifted out of.  
If I let the clutch out, and push it back in, I can grind my way into the desired gear or I will now be able to shift into different gears.
Is this normal or is something off? Shift fork? Ground gears?
	
		
			
		
		
	
								If I let the clutch out, and push it back in, I can grind my way into the desired gear or I will now be able to shift into different gears.
Is this normal or is something off? Shift fork? Ground gears?